Pay attention to the suitability of choosing ppe

Thin lace, sketched elegant flower clusters, Qingxin pleasant, Jie Jie 2013 new underwear flowers to enjoy the eyes of the series, romantic two-color elastic lace, as if the spring flower vine extension, elegant and quiet.

3/4 under the thickness of the thin mold cup, inside the folder plus curved, deep V low-cut design, the lace extends from the chicken heart to the ears Aberdeen, smooth arc perfect makeup in the chest, To wear no pressure chest or empty cup to show, and can be the perfect coating underarm milk, strengthen the side of the chest to concentrate, beautify the curve to reduce Le marks.

Under the thickness of the thin triangular cup, imitation Siamese no rims design, can be 100% decompression, clip curved arc side elevation, easy and comfortable to achieve and concentrated breast enhancement effect, side extension to the post-plus Wide, and double plastic bone support, focus on the side to prevent fat loss and fault, and stability, better support.

Taffeta Fabric

Polyester Taffeta Fabric,Taffeta Lining Fabric,Taffeta Printed

TC Fabric,Work Wear Fabric Co., Ltd. , http://www.plolyesterfabric.com

Surveillance lens resolution recognition method

Currently, megapixel HD cameras have been increasingly used in surveillance, with 1 megapixel cameras, 2 megapixel cameras, and 5 megapixel cameras. The pixel height of the camera is one aspect of the image clarity. On the other hand, a high-resolution photographic element must be equipped with a high-resolution lens to enable the HD camera's capabilities to be reflected.

Lens resolution

The resolution of the lens refers to the number of pairs of black and white lines that can be resolved within 1 mm of the imaging plane. The unit is “line pairs/mm”.

The black and white test lines of the lens pair are not infinitely distinguishable. When black and white isometric test lines do not have high density, black and white lines at the imaging plane are very clear. When black and white equal width test lines increase the density, black and white lines can be distinguished at the imaging plane, but the white lines are not so white, the black lines are not so dark, and the contrast of white lines and black lines is reduced. When black and white equal width test lines increase the density to a certain degree, the contrast of the black and white lines at the imaging plane is very small, and the black and white lines become the gray intermediate colors, which reaches the limit of the resolution of the lens.

Black and white isometric test line

The resolution of a good lens and a poor lens is very different. One way to test the lens resolution is to mount the lens under test on a film camera. To capture a black and white fringe (resolution plate), and then use a high power magnifying glass (lens resolution detector) to detect the resolution of the line counts that can be clearly resolved within millimeters of the film. The more resolution, the higher the resolution. According to our camera detection standard (JB745-65), generally, the 135 camera has a lens center field of view of 37 lines/mm and an edge field of view of 22 line pairs/mm, even if it is a first-order lens.

Determining the resolution using the method of several lines is a method, and a more objective method is to measure the MTF function of the lens.

MTF (modulationtransferfunction modulation transfer function)

In order to reflect the contrast and resolution of the lens, the difference between the brightest part of the white line and the darkest part of the black line in the measured black and white fringe pattern (resolution plate) reflects the contrast (or contrast) of the measured pattern. Let the maximum brightness of the white line be Imax and the minimum brightness of the black line be Imin. We use modulation to represent the size of the contrast. The degree of modulation M is defined as follows:

M=(Imax-Imin)/(Imax+Imin)

The difference between the brightest part of the graphic white line and the darkest part of the black line, which is also imaged by the lens, reflects the contrast (contrast) of the imaged image. Let the maximum brightness of the white line be I*max, the minimum brightness of the black line be I*min, and the modulation degree M* should be as follows:

M*=(I*max-I*min)/(I*max+I*min)

If the degree of modulation of the original image M and the degree of modulation M* after imaging after the lens, then the MTF value is:

MTF=M*/M

Of course, we hope that the modulation degree M of the original image and the modulation degree M* of the image after the shot can be “authentic” M*=M or MTF=1. At this time, the contrast (contrast) of the image after the lens is the same as the original image, but the actual situation is that the M* after the lens imaging is smaller than the original image M. M* and M are almost equal when the measured density of the black and white fringe pattern is not high. As the measured black and white fringe pattern density gradually increases, I*max and I*min will gradually approach each other, and M* will gradually decrease until it is 0, and the MTF also gradually becomes smaller until it becomes zero.

Lens MTF test results

When we change the density of the black and white fringe pattern of the test pattern, the density of the fringes of the resulting image, ie, the resolution, or line-pair per millimeter (lp/mm), also changes.

Using the lp/mm value as the abscissa, the lens MTF value is plotted as the ordinate, and we have obtained the MTF-lp/mm graph. The above is a set of gradually black and white test lines, in the middle is a set of lines through the lens imaging, the red curve in the following figure is the brightness curve of the image formed by the lens, the blue curve is the MTF-lp/mm curve. When the black and white lines are very thick (low resolution <10lp/mm), the brightness of the test chart and the imaged black and white lines are all very dark or very white. It is reflected in the red curve that the curve has a large amplitude, the blue part of the MTF. The -lp/mm curves are all close to 100%. When the test line becomes dense, the white lines imaged by the lens will become dark, and the black lines will not be too dark. See the 40lp/mm area, the red line representing the brightness of black and white will become smaller, ie the contrast will become smaller (I*max-I* Min), the degree of modulation M* becomes smaller, so the blue MTF value drops to 50%. To further improve the black and white test line density, as shown in the figure at the end of the 200lp/mm red line represents the black and white brightness of the amplitude becomes very small, tends to the black and white of the middle value, the image of the black and white line is not clear has become the middle of the gray, blue The MTF of the curve = 3%, to the resolution limit of this lens.

The human eye is aware of the contrast of 5% of fashion, and cannot detect when the contrast is less than 2%. Therefore, the lp/mm value when the MTF value is 3% is generally selected as the visual resolution of the lens.

In the figure above, there is a resolution of approximately 120 lp/mm at the intersection of the horizontal red dotted line MTF=10% and the blue line. The MTF value at a lower resolution (eg, 10 lp/mm) reflects the light transmission, contrast, and contrast of the lens. A good lens can reach more than 95%, as shown by the red curve of the MTF diagram in Figure 3 and the example in Figure 4. If the resolution is smaller at 10lp/mm, the lens represented by the green curve of the MTF diagram in Fig. 3, the MTF at 10lp/mm = 84%, its light transmittance and contrast contrast will be poor. Example, see Figure 5. Although the final resolution is similar to the lens represented by the red curve and the green curve, the transparency, contrast and contrast of the lens represented by the red curve are much better than the lens represented by the green curve.

At higher resolutions, such as 30 lp/mm, the MTF value reflects the resolution of the lens. A good lens should be more than 70%, and an ordinary lens should be less than 40%. The lens represented by the red line in Fig. 6 has an MTF of 80% at 30lp/mm, and can be seen on a high-definition camera with 1000 lines, see Fig. 7, while the lens represented by the purple line in Fig. 6 has an MTF of 30lp/mm. 48%, installed in the HD camera can only see the MTF chart above the 500 line is the curve of the MTF value at the center of the lens with the resolution lp/mm. However, MTF is also related to many factors. The aperture of the lens during the test, the distance from the test point to the center. The outer test black and white lines are parallel to the radial line (غير مجاز مي باشدittal direction), and the vertical radial line is the tangential direction (meridional general direction M), and the MTF values ​​are not the same.

Stop Valve-TMOK

Stop Valve,Check Valve ,Shut Off Valve ,Foot Valve

Centrifugal Pump Co., Ltd. , http://www.nbballvalve.com

House stealing and robbery can happen in any period and in any country, both ancient and modern, and it not only seriously endangers people’s property and life safety, but also is a social security problem that is difficult to completely solve. Although agencies and enterprises and institutions can send people on duty to install video surveillance and alarm emergency devices, it will play a defensive role, but some cases of theft and robbery will still occur. For the general public, there is also a certain awareness of prevention. For example, early security nets and anti-theft windows have certain security effects on homes, but they expose many hidden dangers in actual use, affecting city appearance, hindering fire escape, providing thieves with favorable conditions for climbing and stealing neighbors, and rust falling and wounding. Civil disputes and so on.

With the development of science and technology, there are many video surveillance and intelligent anti-theft alarm electronic products on the market, which provide favorable conditions for security protection and rapid detection. Due to the wide selection of human pyroelectricity, microwaves, and door sensors as the detectors, the alarm trigger signal is obtained from the unique characteristics of the small changes in their physical quantities, but some blind spots or dead spots, as well as changes in the external environment, there are Some limitations of the physical properties of the detector will give the alarm hidden dangers of false positives or false negatives. In order to quickly open up the market quickly, manufacturers of alarms design bulky mounted detectors to facilitate installation by the user. This provides thieves with conditions to destroy targets or counter-alarm operations, leaving a gap between The space for committing crimes seems to be guarded. It is virtually empty.

Therefore, we must not only summarize the current problems in the security alarm market, but also study the social structure of people in highly advanced economic and technological periods. When the Gini coefficient of the gap between rich and poor exceeds the internationally recognized safety line, due to the psychology of some people Imbalance, the increase of the floating population, along with the excuse forced by life, some people treat the theft and robbery as a candid profession, and return to the old business after they are released from prison - gang partners and commit crimes frequently. In people’s normal lives, although the number of thieves who steal or rob are very small, the number of people who are robbed and robbed is also a minority, but the resulting consequences have caused serious harm to society. Therefore, precautions should be taken to attach importance to the installation and use of surveillance and security telephone alarms.

At present, wireless smart alarms sold at the national and secondary markets have high performance, wide monitoring, and high intelligence, but they have high prices and are exposed. They not only have poor anti-alarm and anti-destructive capabilities, but also have operations. Cumbersome and inconvenient. Many wireless smart alarms belong to fixed transmission and reception frequencies, fixed size, and fixed operating modes. In view of the above situation, in conjunction with the problems that have arisen in the actual use of the author for several years, here are some of the superficial views of individuals:

1, after the decoration of the house, gives people a feeling of comfort and beauty, make people feel comfortable living. If you decorate a beautifully decorated door and window, an anti-theft anti-theft launcher with a non-modern decoration will definitely affect the decorative effect of the entire house. At the same time, anti-theft transmitters mounted on doors and windows may be subject to human intervention or may be deterred from counter-alarm action.

2, belonging to high-frequency emission of electronic products, installed in the living room and bedroom, easily affected by the interference of large appliances magnetic field, thus affecting the alarm effect.

3. Some wireless smart alarms use human pyroelectric infrared or microwave sensors. They can set up dozens of defense zones and dozens of alarm calls. They have a high degree of intelligence and are networked with the community for system management. Although these products are highly intelligent, it is undeniable that their performance is flawed or even inadequate. Pyroelectric sensors may generate false alarms for the nearby high-heat, intense light and hot air currents. When the relative temperature of the environment is close to the human body temperature, missed reports may occur, and the glass and plates are less sensitive to moving human bodies. At the end of the last century, the Northern Song Dynasty cultural relics of the Kaifeng Museum were stolen and occurred in the monitoring range of human pyroelectric infrared burglar alarms. Microwave detectors use the Doppler frequency shift feature to monitor moving objects in the defense area. When someone enters the defense area, they will immediately report an alarm, but animals in the defense area and shaking plants may cause false alarms. Microwaves have a penetrating effect on walls and floors. If they are improperly installed, neighbors' activities may also cause false alarms.

Any smart alarm that causes false positives or false negatives will affect the credibility of consumers and reduce their sense of security.

4. It is relatively safe to use a door sensor as a detector. No missed report or false alarm can occur because its alarm signal is generated after the doors and windows are pushed by the external force of the crime. No committing action will not generate an alarm trigger signal, but it has a large volume and is a surface-mounted device, and it is vulnerable to hidden damage or anti-alarm action. If acquaintances commit crimes, such things are more likely to happen.

5. The alarm device with double-detection function is now on the market, and the human pyroelectric infrared detection and microwave detection are in the same group of detectors. The use of microwaves is not blocked and the performance of smoke, light, and temperature change is insensitive. This supplements the inadequacy of human pyroelectric infrared detectors, and basically eliminates false alarms through the composite detection of both units. However, this may be missed, because the human body's infrared radiation is easily blocked by walls, furniture, plates, glass, and so on. Shuangjian detector can trigger an alarm only if both units detect the invading human body at the same time. If a rogue with anti-alarm experience is encountered, it enters the zone under the cover of the glass and the plate, then the double-sense detection is difficult to trigger the alarm only with the single-sense function. Under the effect of the anti-alarm, will it not be “with the police not reporting”?

6, because the current video surveillance and security alarm electronic product detectors are almost all body-mounted equipment, in the installation process and form is not only unavoidable to the perpetrators provide damage to the target, but also to the thieves to create anti-alarm conditions . When the manufacturer researches and develops intelligent products without any false alarms, it may think that the detectors are in the room. If the damage is not successful, they will be recorded or triggered, ignoring the diversity of crimes. - Open space-time, step-by-step committing crimes, using science and technology devices to commit crimes, perforating magnets to commit crimes, committing anti-alarms, using blind corners to commit crimes, etc. In order to eliminate the blind spot that has never been involved in the security and alarm industry, the home phone alarm detector can only be reduced in size and completely concealed, leaving the perpetrators with a destructive goal and creating anti-alarm conditions.

7. Smart alarms have difficult operation problems. Among low- and middle-income people, young people with thin hands may not use it. Some middle-aged and elderly people with anti-theft and anti-robbery awareness, and some even the DVD remote control key functions and how to program are not clear, the smart anti-theft alarm code recording, programming, fortification, disarming and after the occurrence of alarm quickly Dealing with, may only look "instrument" sigh!

The blind spots and dead ends described in this article are only problems with home-telephone alarms. They do not involve crowded places, common areas and shared parts of owners. Highly intelligent large security alarm products are applicable to the public space and common parts of personnel offices, enterprises, and residential communities with property services. From the cage of the video surveillance, we can understand the suspicious conditions in the deployment area. Not waiting for a crime can be used to warn the thief.

Non-Standard Metal Rivets

Non-Standard Metal Rivets,Solid Rivet,Truss Head Semi Rivet

Stainless Steel Screw,Threaded Rod Motor Co., Ltd. , http://www.ns-fasteners.com

LCD splicing screen can be used as a separate display, but also can be used to splicing into a large screen. According to different use requirements, to achieve large and small variable variable large screen function: single-screen split display, single-screen single display, any combination of display, full-screen LCD splicing, dual splicing LCD screen, vertical screen display, image border Optional compensation or cover, support for digital signal roaming, zoom stretching, multi-screen display, setting and operation of various display scenarios, full HD signal processing in real time.

Each size of the LCD screen will have an optimal resolution, like a 19-inch widescreen LCD is 1440 * 900 (part of the 1680 * 1050), 22-inch widescreen LCD is 1680 * 1050, and when the user set the resolution is not When this is the best resolution, fonts will appear imaginary.

If the user cannot find the optimal resolution corresponding to the LCD screen in the adjustment options, it is necessary to first install the driver of the graphics card. This also explains why most of the users who discovered that fonts are imaginary have occurred after replacing the graphics card. Therefore, if you find that the LCD screen has a problem with the font's voicing, please check whether the resolution of the system is set to the optimal resolution. If you cannot find the best resolution in the adjustment item, you must first install it properly. Graphics card (including integrated motherboard) drivers.

If it is determined that the resolution is correctly set, there will still be a phenomenon that the font is utterly faux, and then it is necessary for the user to adjust the liquid crystal display. The method is very simple, that is, directly press the "AUTO" button on the LCD OSD menu (some LCDs realize the AUTO button by means of a combination of keys), its role is to allow the LCD monitor to automatically adjust to make the text display more sharp.

Of course, this situation is only useful for analog signals (VGA). If the user uses a DVI signal line, the effect is not too great. If there is no “AUTO” button on the user's LCD OSD button, it needs to be manually adjusted. Generally speaking, the two options “Pixel & Clock” and “Phase Adjustment” are adjusted. This is the adjustment menu of the LCD screen. You can find it here.

In addition to the automatic adjustment of the resolution, some LCD splicing screens appear to have false fonts. This is actually due to defects in the LCD's IC driver circuit design or workmanship and aging. It is also possible that the electromagnetic shielding of the integrated motherboard is not good. The probability of appearing on a cheap product is relatively large. For the case where the previous operation has not been effected, it can only be linked to the sale of the LCD. So far, Crystal's customers have not had such problems, and if they do, our professional technicians will provide the best solutions.

Automatic Door System

Automatic Door Opening System ,Automated Door Systems ,Automatic Door System

PAD Automatic Doors Technology Co., Ltd. , http://www.shrevolvingdoor.com

Today, a variety of Internet TVs carry the family's core smart entertainment features. As people pursue higher quality of life, more people are no longer satisfied with small-size TVs, instead they are pursuing a large-screen viewing experience and enjoying immersive audiovisual fun. Large-screen smart TVs have become the mainstream trend at the moment, but large-screen LCD TVs are expensive and غير مجاز مي باشدt hundreds of thousands or even hundreds of thousands of yuan. The quality of inexpensive large-screen displays is not excessive. Faced with the large-screen TV market, the smart and rational consumers need to be astute and make their own choices.

Solar Panel

Solar Panel,Solar Power ,Solar Cell ,Solar Power System

Solar Energy System Co., Ltd. , http://www.nbsolarenergy.com

The product name specification material steel factory/origin price (yuan/ton) is higher than yesterday's last week than the previous month General line Φ6.5mm Q235 Handan Steel 5020 0 20 700 General line Φ6.5mm Q235 Jiuquan 5020 0 20 700 High line Φ6.5mm Q235 Pinggang 5050 0 -20 610 High Line Φ6.5-8mm Q235 Beitai 5050 0 -20 620 High Line Φ6.5-8mm Q335 Haixin 5060 0 -20 620 Rebar Φ12mm HRB335 Baosteel 4930 0 -90 380 Rebar Φ14mm HRB335 Baosteel 4920 0 -90 430 Rebar Φ16mm HRB335 Baosteel 4890 0 -90 400 Rebar Φ18-25mm HRB335 Baosteel 4870 0 -110 390 Rebar Φ12-14mm HRB335 Shanghai Bao 4790 -20 -60 350 Rebar Φ18-25mm HRB335 Shanghai Bao 4760 -20 -60 460 Rebar Φ16-25mm HRB335 Tang Steel 4760 -20 -60 460 Rebar Φ16-25mm HRB335 2672 4770 -20 -60 450 Rebar Φ16-25mm HRB335 Handan 4780 -20 -60 460 Rebar Φ16-25mm HRB335 Laiwu Steel 4760 -20 -60 440 Rebar Φ20-25mm HRB335 Beitai 4760 -20 -60 460 Rebar Φ20-25mm HRB335 Yinfeng 4760 -20 -60 460 Grade III Rebar Φ10mm HRB400 Baosteel 5160 0 -90 280 Grade III Rebar Φ12mm HRB400 Baosteel 5130 0 -90 280 Grade III Rebar Φ14mm HRB400 Baosteel 5130 0 -90 280 Grade III Rebar Φ16mm HRB400 Baosteel 4980 0 -90 400 Grade III Rebar Φ20mm HRB400 Baosteel 4980 0 -90 400 Grade III Rebar Φ12-14mm HRB400 Ma Steel 5020 -40 -70 250 Grade III Rebar Φ16mm HRB400 Ma Steel 4990 - 20 -30 480 Grade III Rebar Φ20mm HRB400 Masteel 4990 -20 -30 480 Grade III Rebar Φ25mm HRB400 Masteel 5000 -40 -40 450 Grade III Rebar Φ28-32mm HRB400 Masteel 5080 -20 -30 260 Hot Rolled Roll 1.5mm*1250*C ZJ330B Bead Steel 6200 0 -50 750 Hot Roll 1.5mm*1250*C SPHC Handan Steel 6200 0 -50 750 Hot Roll 2.0mm*1250*C SPHC Handan Steel 5820 0 -80 540 Hot Rolls 2.0mm*1250*C SPHC Previous 5820 0 -80 490 Hot Roll 2.75mm*1250*C SPHC Previous 5500 0 -100 420 Hot Roll 2.75mm*1500*C Q235 Tang Steel 5380 0 -170 330 Hot rolled coil 3.0mm*1500*C Q235 Tangsteel 5380 0 -70 340 Hot rolled coil 3.0mm*1250*C Q235 Sha Steel 5380 0 -70 340 Hot rolled coil 5.5*1500*C Q235 Saddle/Bon/Don/Pack 5200 0 -50 420 Hot Roll 7.5mm*1500*C Q235 Saddle/Bon/Don/Bag 5200 0 -40 400 Hot Roll 9.5mm*1500*C Q235 Saddle/Bon/Don/Bag 5200 0 -40 400 Hot Rolled Roll 11.5*1500*C Q235 Saddle/Bon/Tang/Pack 5200 0 -40 400 Cold Roll 0.4mm*100 0*C SPCC-SD Baosteel Yichang 7100 0 0 350 Cold rolled coil 0.5mm*1000*C SPCC-SD Baosteel Yichang 6950 0 0 350 Cold rolled coil 0.6mm*1000*C SPCC-SD Baosteel Yichang 6650 0 0 350 Cold rolled coil 1.0mm*1250*C SPCC Masteel 6430 0 0 660 Cold rolled coil 2.0mm*1250*C SPCC Masteel 6380 0 0 630 Cold rolled coil 1.0mm*1250*C SPCC Handan Steel 6380 0 0 650 Cold Rolls 1.0mm*1000*C SPCC Meigang 6350 0 0 650 Cold rolled coil 1.0mm*1250*C SPCC Kunming 6350 0 0 650 Cold rolled coil 1.2mm*1250*C SPCC Cold 6350 0 0 650 Cold rolled coil 1.0mm*1250*C ST14 Angang 6900 0 0 1200 Cold rolled coil 1.0mm*1250*C DC04 Baosteel 7400 0 0 700 Cold rolled coil 1.0mm*1250*C SPCC Tangsteel 6380 0 0 650 Cold rolled coil 1.0mm*1250 *C SPCC Handan Steel 6400 0 0 650 Cold rolled coil 1.0mm*1250*C SPCC Steel cladding 6380 0 0 650 Cold plate 1.0mm*1250*2500 DC01 Baosteel 7000 0 0 850 Cold plate 1.0mm*1250*2500 DC01/ST12 Wuhan Steel 6550 0 0 720 Cold Plate 1.0mm*1250*2500 ST12 Angang Steel 1780 6600 0 0 720 Cold Plate 1.2mm*1250*2500 ST12 Angang Steel 1780 6500 0 0 670 Cold Plate 1.5mm*1250*2500 DC01/ST12 Benxi Steel 6480 0 0 680 Cold Plate 1.5mm*1250*2500 DC01 Baosteel 7000 0 0 750 Cold Plate 1.5mm*1250*2500 SPCC Baosteel 6800 0 0 650 Cold 1.5mm*1250*2500 DC01/ST12 WISCO 6480 0 0 680 Cold Plate 1.5mm*1250*2500 ST12 Angang Steel 1780 6500 0 0 670 Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Than Yesterday Last Week Last Month Hot rolled strip 2.5mm*183*C Q195L Jianlong 5100 0 0 510 Hot rolled strip 2.5mm*204*C Q195L Jianlong 5100 0 0 510 Hot rolled strip 2.5mm*232*C Q195L Jianlong 5150 0 0 530 Hot Rolled Strip 2.5mm*160-204*C Q195-215 Tangshan Hongda 5150 0 0 530 Hot Rolled Strip 2.75mm*232*C Q195-215 Tangshan Guofeng 5100 0 0 510 Hot Rolled Strip 5.5mm* 685*C Q235 Beitai 5150 0 0 580 Hot-rolled strip 5.6mm*700*C Q235 Beitai 5150 0 0 580 Hot-rolled strip 5.75mm*685*C Q235 Beitai 5150 0 0 580 Hot-rolled strip 6.0mm*690* C Q235 Beitai 5150 0 0 580 Hot rolled strip 6.0mm*700*C Q235 Beitai 5150 0 0 580 Hot rolled strip 5.5mm*685*C Q235 Delong 5140 0 0 550 Hot rolled strip 9.5mm*735*C Q235 Delong 5140 0 0 550 Hot-rolled strip 1.8mm*355*C Q195-235 Tianjin rolling 1 5350 0 0 530 Hot-rolled strip 1.8mm*292*C Q195-235 Tianjin rolling 1 5350 0 0 530 Hot-rolled strip Steel 2.0mm*295*C Q195-235 Tianjin Rolling 5320 0 0 520 Puzhong 6mm Q235 New Steel 6650 0 0 550 Puzhong 8mm Q235 New Steel 6330 0 0 630 Puzhong Plate 10mm Q235 New Steel 6280 0 0 680 Puzhong Plate 12mm Q235 New Steel 6000 0 0 680 Puzhong Plate 14-20mm Q235 New Steel 6000 0 0 730 Puzhong Plate 8mm Q345 Yingkou 6410 0 0 710 Puzhong Board 10mm Q345 Yingkou 6310 0 0 710 Puzhong Board 14-20mm Q345 Yingkou 6000 0 0 680 Puzhong Board 10mm Q235 Masteel 6210 0 0 640 Puzhong Board 14-20mm Q235 Masteel 5900 0 0 630 Pu Medium plate 14-20mm Q235 Chunye 5770 0 0 750 Low alloy plate 6mm Q345 New steel 6780 0 0 480 Low alloy plate 8mm Q345 New steel 6480 0 0 730 Low alloy plate 10mm Q345 New steel 6310 0 0 660 Low alloy plate 12mm Q345 New Steel 6210 0 0 730 Low Alloy Plate 14-20mm Q345 Yingkou 6180 0 0 750 Low Alloy Plate 14-20mm Q345 Ma Steel 6080 0 0 700 Boiler Medium Plate 8mm 16MnG New Steel 6950 0 200 750 Boiler Medium Plate 10mm 16MnG New Steel 6750 0 200 750 Boiler Medium Plate 12-20mm 16MnG New Steel 6500 0 200 750 Boiler Medium Plate 8mm 20G Pu Steel 6950 0 200 750 Boiler Medium Plate 10mm 20G Pu Steel 6750 0 200 950 Boiler Medium Plate 12-20mm 20G Pu Steel 6500 0 200 750 Container Plate 8mm 16MnR Pu Steel 7000 0 200 750 Container Plate 10mm 16MnR Pu Steel 6800 0 200 750 Container Plate 12mm 16 MnR Pudong Steel 6550 0 200 750 Vessel Medium Plate 16-20mm 16MnR Pu Steel 6550 0 200 750 Vessel Medium Plate 16-20mm 16MnR Nan Steel 6600 0 200 770 Galvanized Roll 0.4mm*1000*C SGCC New Senior Middle 6930 0 180 730 Galvanized coil 0.5mm*1000*C SGCC New medium-sized 6700 0 150 800 Galvanized coil 1.0mm*1000*C SGCC New medium-sized 6350 0 120 800 Galvanized coil 1.0mm*1000*C ST02Z Bengang 6350 0 50 770 Galvanized coil 1.0mm*1000*C ST02Z Angang 6400 0 70 800 Galvanized coil 1.0mm*1250*C JY150 Wuhan Iron and Steel 6350 0 20 800 Galvanized coil 1.0mm*1250*C SGCC Joint steel 6300 0 30 720 Galvanized coil 1.0mm*1000*C SGCC Huayu 6300 0 50 750 Color Coil 0.4mm*1000*C TST01 Baosteel 8700 0 0700 Color Coil 0.5mm*1000*C TST01 Baosteel 8300 0 0 650 Color Coil 0.5mm*1200 *C TST01 Baosteel 8300 0 0 650 Color Coil 0.6mm*1000*C TST01 Baosteel 8250 0 0600 Color Coil 0.6mm*1200*C TST01 Baosteel 8250 0 0 600 Color Coil 0.42mm*1000*C CGCC New Medium 7600 0 300 750 Color Coil 0.47mm*1000*C CGCC New Middle School 7400 0 300 720 Color Coil 0.5mm*1200*C TST01 Ma Steel 7550 0 0 800 Steel 50*50*5 Q235 Ma Steel 5420 0 200 640 angle steel 100*100*10 Q235 Ma steel 5350 0 200 500 channel steel 10# Q235 Ma Steel 5400 0 200 700 Channel 16#A Q235 Masteel 5380 0 260 780 Channel 20#A Q235 Masteel 5420 0 300 820 Channel 32#A Q235 Laiwu Steel 5600 0 400 970 I Beam 20#B Q235 Wuhan Iron and Steel 5250 0 250 850 I-beam 25#B Q235 Laiwu Steel 5480 0 230 900 I-beam 36#B Q235 Laiwu Steel 5480 0 180 880 I-beam 40#B Q235 Laiwu Steel 5550 0 230 900 Galvanized Pipe 4 points*2.0 Q235 Jiangsu Guoqiang 7310 0 190 640 Galvanized pipe 6 points *2.0 Q235 Jiangsu Guoqiang 7210 0 190 630 Galvanized pipe 3 inch * 3.25 Q235 Tangshan Huayu 6460 0 860 430 Galvanized pipe 4 inch * 3.25 Q235 Tangshan Huayu 6470 0 870 470 Galvanized Pipe 5" *3.25 Q235 Tangshan Huayu 6470 0 80 320 Galvanized Pipe 6" *4.5 Q235 Tianjin Bengbu 6460 0 1030 260 Galvanized Pipe 8" *4.5 Q235 Tianjin Bengbu 6760 0 100 560

G80 Master Link Assembly

G80 Forged Master Link Assembly,G80 Master Link Assembly,G80 Link  Assembly

Shandong Shenli Rigging Co.,LTD. , https://www.shenliriggingcn.com

TV monitoring system, the quality of the system, must be reflected from the image on the monitor. Therefore, we can determine and monitor the quality of the TV surveillance system equipment or system construction project based on the image on the monitor, as well as the causes of poor quality and interference and failure, and seek solutions to it.

This article based on the relevant literature, and combined with their own practical work experience, introduced the display of images and their interference from the monitor, analyzed and judged the TV monitoring system or equipment failure causes, and proposed some solutions.

One, there is no image on the monitor

1. The causes and solutions for the display of no-image display caused by devices such as the monitoring host and their connections:

A short circuit or open circuit occurred in the coaxial cable connector output from the microcomputer switching host to the monitor;

The corresponding output terminal of the microcomputer switching host is damaged;

The dual-purpose television is not in the TV state, or the monitor is bad;

If a VCR is connected at the same time, the DVR needs to be powered on and set to TV accordingly.

2. Causes and Solutions for No Image Display Caused by DVR The screen protection is not cancelled or the power management is not properly set. The graphics card is not compatible. You can pass DirectDraw tests. If the tests pass, this is not the reason.

PCI interface contact is not good. You can change a PCI slot test.

The board may be damaged. You can consider changing a card test.

3, the camera causes no image display causes and their solutions First check whether the power supply is connected, if connected, then detect the power supply voltage and supply current is in line with the camera's requirements;

Whether the camera lens aperture is open (usually caused by the aperture closed), if the auto iris, video or DC drive and the camera corresponds, the lens control line is connected (including three variable lens)? If the connection is correct, check the decoder problem;

Whether the video coaxial cable and the BNC connector is in poor contact, open circuit or short circuit, and the camera itself.

4, fiber transmission mode caused by monitoring? The reason why the device does not have an image display and its solution method is to check whether the connection of the electric and optical cable, the light emitting device and the terminator is correct, and then check whether the supply voltage and current meet the requirements.

The output carrier of the optical transmitter has no video input signal. Check the video input process on the optical transmitter: Disconnect the video signal from the optical transmitter and input the video signal directly to the monitor with the video coaxial cable. If there is any image, it indicates that there is a problem with the optical transmitter.

Optical receiver problems. If there is no problem with the light transmitter, the monitor and the connection, and the screen is still black, then the light receiver is more light;

Monitor problem. If there is no problem with the light receiver and transmitter, the connection with the monitor is correct, and the screen is still black.

Second, poor image quality, snow-like

On the image of the monitor, a relatively uniform snowflake-like disturbance occurs and the image quality is poor. The main reason for this phenomenon can be analyzed from the following two aspects:

1. The cause of the snow on the monitor image caused by the optical fiber transmission method and the solution to the problem. First, the optical power meter is used to check the optical power entering the optical receiving terminal. If the optical power meets the requirements, a more optical receiving terminal is required.

Optical transmitter problems. If it is checked that the optical power entering the optical receiving terminal is lower than the calibration value, the optical power meter and an optical fiber jumper are used to check the optical output of the optical transmitting terminal. If the optical output is low, a more optical transmitting terminal is required;

Optical connector problem. If the light output of the optical transmitter is checked to meet the requirements, it is an optical connector problem, and the optical connector can be wiped cleanly or with better quality.

The transmission distance is too far, and the loss of the optical fiber is too great. An optical amplifier must be added.

2. Coaxial cables and other transmission lines cause surveillance? The reason why the image has snow on the device and its solution method The illumination intensity of the monitored point of view is too low, which makes the amplitude of the video signal smaller;

The camera's sensitivity is low or the head aperture is too small;

The monitor itself has quality problems;

The video transmission line is not good, so that the video signal declines too much, resulting in a smaller amplitude of the video signal;

The quality of video equipment such as video amplifiers in video transmission lines is not good;

Video cable plugs and sockets are soldered badly.

The solution is to use good quality video equipment and video transmission lines to ensure that the amplitude of the video signal meets the specifications of the standard.

Third, the image has a wood grain

The image on the monitor is grainy. When it is light, it often does not overwhelm the normal image, but in severe cases it even destroys the synchronization and makes the image unviewable. The cause of this kind of failure phenomenon is more and more complicated. There are roughly the following reasons:

1, the quality of the video transmission line is not good The quality of the video transmission line is not good, mainly in the following aspects:

The shielding performance of the wire is poor, such as the screen is not a good quality copper wire screen, or the screen screen is too thin to be shielded. Generally, a 96-copper shielded copper cable should be used, and the core wire should be a multi-copper coaxial cable.

The line resistance of this kind of video line is too large, which causes a large attenuation of the signal. The core wire of the coaxial cable should be a copper wire with a relatively low resistivity. If the core wire resistance is too large, the signal attenuation will be too large, which will increase the interference of the mesh.

The characteristic impedance of this kind of video line is not 75Ω, and the distribution parameters are beyond specification.

It should be pointed out that the appearance of wood grain on the screen is not necessarily the fault of the video line (for example, there are still two reasons), so it is necessary to be accurate and careful when judging. Only when the other possibilities are ruled out, the remaining video cable (if no remainder is left, a segment of such cable must be intercepted in the system) is sent to the inspection department for inspection. If the test result is unqualified, it can be determined as a cable quality problem. If it has been judged that the quality of the video transmission line is not good, it is difficult to solve it by changing the line or the like since the cabling has been completed. Therefore, the use of video cables that comply with the standards and requirements before construction must be guaranteed in advance. Never consider the need to save money and purchase poor quality video cables. If it is definitely a cable quality problem, the best way is to replace all of these cables. This is the best way to completely solve the problem.

It is worth mentioning that if the interference is not very serious, you can try to adopt the way of purifying the power supply and connecting the online UPS to the entire system, sometimes to reduce or basically eliminate the interference. However, this method may not be effective because of the difference in signal conditions in the space around the system, or it is sometimes used or sometimes not used.

2. The power supply system is not "clean"

The power source referred to here is not "clean", that is, to enter the comparison? The interference signal specifically refers to an interference signal superimposed on a 50 Hz sine wave. This kind of interference signal on the power supply comes from the thyristor equipment used in the power grid. In particular, high-current, high-voltage thyristor devices have a very serious pollution to the power grid, which leads to the fact that the power supply in the same power grid is not "clean." If there are high-power thyristor frequency modulation speed control devices, thyristor rectifier devices, thyristor AC-DC converter devices, etc. in the power grid, it will cause pollution to the power supply.

The solution to this situation is relatively simple, as long as the entire system uses a clean power or power supply using an online UPS, it can basically eliminate this interference.

3. There is a strong electromagnetic interference source near the system. There is a strong electromagnetic interference source near the TV monitoring system. This type of interference will cause faults. In this case, it can be judged by investigating and understanding the environmental conditions in the vicinity of the television monitoring system. If this is the reason, the solution is to strengthen the shielding of video equipment such as video cameras and video amplifiers, as well as to perform good grounding of the video cable connections, plugs, and pipe outlets.

Fourth, the image has equal spacing vertical bars

On the screen of the monitor, there are sometimes several vertical bars with equal intervals. The frequency of such interference signals is basically an integral multiple of the line frequency. If you use an oscilloscope to view the waveform of the disturbed image, you will find that a higher-order line-frequency harmonic oscillation waveform is superimposed on the back of the horizontal synchronization head, and the vertical bar interference is caused by this.

1. The cause of this interference is due to the fault phenomenon caused by the mismatch of the characteristic impedance of the transmission line. It is caused by impedance mismatch because the characteristic impedance of the video transmission line is not 75Ω;

Through the analysis of the waveform and the quantitative measurement of the video cable, it was found that this impedance does not meet the requirements of the video cable, the distribution parameters do not meet the requirements, which is one of the reasons for the impedance mismatch.

Therefore, this interference phenomenon is caused by the fact that the characteristic impedance and distribution parameters of the video cable do not meet the requirements. If there is a serious mismatch between the "starting" or "terminal" impedance of poor coaxial cable or signal transmission of 250m or more, even an open end may cause the above interference.

2, the solution to rely on "start resistance series" or "terminal parallel resistance." That is, "start" string 75Ω resistor, "terminal" and 75Ω resistor to avoid impedance mismatch and distribution parameters are too large;

Use high quality coaxial cable. That is, the outer shielding net is copper, not less than 96 series, and the core wire is also multi-strand copper material;

It is worth mentioning that when the video transmission distance is within 150m, using the video cable with the above impedance mismatch and distribution parameters is too large, the above interference phenomenon may not occur. Therefore, in a system where the transmission distance is widely different, analysis of this type of failure should not be confused by short-distance and no interference.

The fundamental solution to the above problem is to ensure the quality of the video cable. When necessary, the cable should be sampled and tested.

Fifth, the image has black and white bars and scroll up and down

1. Causes and judgments on the monitor A black bar or white bar appears on the monitor screen, and it may scroll up or down slowly. The reason for this phenomenon is mostly caused by the ground loop generated by the system and the introduction of 50Hz AC interference. However, this kind of failure may also occur due to poor performance of the power supply of the control unit such as a camera or matrix switcher, or partial damage, or system grounding or equipment grounding. Therefore, when analyzing such failure phenomena, the two different causes of failures must be distinguished first.

To distinguish between the problem of power supply and the problem of ground loops, it is common to connect the output signal of a video camera with no problem to the nearest control host. If the above phenomenon does not appear on the monitor, it indicates that the control host has no problem. . Next, a portable monitor can be connected nearby to the video output of the front camera, and one camera can be checked one by one to find out if there is a problem with the power supply. If so, proceed with the treatment; if not, the interference is caused by ground loops and other causes.

2. Problems caused by power supply problems or system and equipment grounding problems Video equipment, especially the camera power supply voltage is too low, or the power supply is not "clean", the ripple coefficient is relatively large, or the larger interference is strung in.

Poor system or equipment grounding;

Video equipment such as cameras or video amplifiers or video matrices have quality problems;

There are more serious electromagnetic interferences in the surrounding areas of the system, such as welding, radio transmission, and interference of large motors and large relays.
Six, the image has a large area of ​​reticulate 1, the cause of the large area of ​​the screen produced on the monitor, will lead to a serious decline in image quality, serious images are usually destroyed, that is not form images and synchronization signals. The main cause of this failure is:

This type of interference often occurs on BNC connectors, or on other types of video connectors.

The faults caused by the short circuit and open circuit of the video cable's core wire and shielding network, such as the cable laying, make the outer shield damaged, and the shielded network cable is torn off;

After the cable is laid, it will encounter corrosive liquid, gas or rodent damage, which will damage the outer shield of the cable;

The connection between the cable plug and the video equipment is not good.

2, the solution method Obviously, this type of fault is relatively easy to judge, because this kind of fault phenomenon occurs, it is often not the entire system of signals in each way have problems, but only in the bad number of those connections. As long as you carefully check these connectors one by one, you can solve this problem.

1. Causes On the monitor, the image has trails, glitches or distortions, or even out of sync. This is mainly due to the following reasons:

The video transmission line adopts inferior coax cable, or the cable shielding line is connected by only a few small network cables, or there is a disconnection in the middle;

In the video transmission line, the BNC plug is badly soldered;

The transmission distance is long, no video amplifier is added (if the device is added, the device is of poor quality), and the 75Ω impedance is seriously mismatched;

The monitor or camera itself is out of sync, or the camera power supply voltage is too low, such as 12VDC voltage is less than or equal to 10V;

The power supply is not "clean" and it breaks into the interference signal.

If high-frequency wired, wireless, or fiber-optic transmission methods are used, most of them are quality problems of high-frequency transmission equipment or optical fiber transmission equipment. For example, if a radio frequency equipment is of poor quality, the synchronization head is limited in amplitude and cut.

2. Solution If you suspect a device, you can use alternative methods. Others correct for the cause, so that the transmission line can meet the requirements.

Image ghosting

seven or image ghosting

1. Causes On the monitor, the displayed image overlaps with the shadow of another image. When the image is bright, the shadow does not look serious. When the image is dark, the ghost is more obvious. The reason for this failure is:

The video transmission line uses a poor quality coaxial cable, or the outer shield of the cable is damaged badly, or the cable or system is badly grounded.

The wiring in the system is seriously unreasonable, causing crosstalk to each other. For example, if the transmission line between the transmission coaxial cable and another cable is unreasonable, serious signal and crosstalk are caused.

The isolation of the video matrix is ​​too small to meet the technical requirements;

Load impedance is not 75Ω, but does not match;

If you use high-frequency, wireless transmission, it may be the system's interference modulation and intermodulation too large.

2, the solution to the solution is that if it is a device, you can use alternative methods to determine, and other for the reasons to correct.

Eight, the image is light, the contrast is too small

1. The reason why the image of the monitor is pale and the contrast is too small is mainly due to the insufficient amplitude of the video signal. The specific reasons are:

The image contrast of the monitor is improperly adjusted or the quality of the monitor itself is a problem;

The transmission distance is too far or the attenuation of the video transmission line is too great, and the plugs and sockets of the transmission line are badly soldered.

The illuminance at the monitoring point is too low, or the camera sensitivity is low or the lens aperture is too small.

2. The solution to the problem The solution is to add the device for line amplification and compensation so that the video signal amplitude can reach the specified requirements.

Nine, the image is not clear, the edges are not clear or color is missing

1. Cause The image is not clear, the edges are not clear, and the details are lost. In severe cases, color signal loss or color saturation is too small. The specific reasons are:

The loss of the high-frequency end of the image signal is so great that the signal at frequencies above 3 MHz is essentially lost;

The transmission distance is too long, and there is no amplification compensation device in the middle, and the amplitude attenuation of the video signal is too large;

The distribution capacitance of the video transmission cable is too large, so that the high frequency component is attenuated too much;

The resolution of the camera and monitor is not high;

Video signal path bandwidth is too narrow, such as video amplifier bandwidth is too narrow, or transmission cable quality is low;

In the transmission link, there is a concentrated distribution of equivalent capacitance between the core wire and the shielded wire of the transmission line.

2, the solution can be solved for the above reasons, such as high-frequency compensation, amplification compensation.

Image tone distortion
Ten, image tone distortion

This is a fault phenomenon that easily occurs in long-distance video baseband transmission.

1. The main cause of tone distortion is caused by the large phase shift of the high-frequency band caused by the long-distance transmission line. When the transmission distance is not far, image tone distortion is not easily recognized by human eyes.

2, the solution should be added phase compensator. Its preventive measure is to use high-quality coaxial cable, and the transmission line should be short and not long.

Eleventh, the mosaic of image picture and video file playback

1, due to the host signal is not good, the network is not good, resulting in loss of some video and audio signals;

2. During the period when the client generated the mosaic video, did he have any other reasons that caused serious shortage of resources? For example, while the client is previewing the data transmitted from the host, it is performing a multi-channel playback operation that exceeds the system capability, thereby consuming the CPU resources. Therefore, once the host resource is exhausted, video data cannot be written to the hard disk normally, so mosaic may occur.

Twelve, the image has animated

1, the server host corresponding channel video settings, the frame rate is adjusted too low;

2. The bandwidth of the network communication is not enough. At this time, the video quality of the host should be appropriately lowered.

3. Since the server host sets this channel to the LAN transmission mode and is in the same LAN as the first-level client and the extended client, the extended client may not be previewed properly at this time.

Normally, when there is a problem in the system, the system recovery disk that is to be brought up is put into the floppy disk drive to restart the system. At this time, the system will automatically recover, that is, it will return to the factory settings. After the system recovery is complete, remove the floppy disk and restart the machine. When the system starts up, set it again according to your own needs.

Thirteen, the image screen has a sense of jitter

The reason is because the display refresh rate is set too low.

The solution is: enter the "Display Properties", click "Settings", select "Advanced", and then select "Monitor", adjust the new frequency to 75Hz, determine the exit can solve this problem.

Sanitary Fittings

Sanitary Clamp,Sanitary Stainless Steel Clamp,Stainless Steel Fitting

Sanitary Valves,Sanitary Fittings Co., Ltd. , http://www.cnsanitaryvalves.com

                    Hot Sales Pneumatic Angle Piston Valve, Stainless Steel Angle Piston Valve, Pneumatic Flanged Angle Piston Valve in SS304, SS316 Material

Features

1. Easy to Install
2. Infinitely Rotable Actuator Allows Pneumatic Connection in Any Postion
3. 50% More Economical Than Ball Valves
4. 600% Longer Service Life Than Ball Valves
5. Compact Design
6. Fast Response
7. Water hammer-free

Specifications

1). Nominal Diameter: DN15-100

2). Pressure Range: 0-1.6Mpa

3). Medium Temp.: -10°C~+180°C

4). Ambient Temp.: -10°C~+60°C

5). Operating Pressure: 3-8bar

6). Valve Body Material: Stainless Steel, CF8/304,CF8M/316

7). Sealing Material: PTFE

8). Actuator Material: Plastic, Stainless Steel, CF8/304, CF8M/316

9). Medium: Neutral Gas, Air, Water, Vapor
10). Connection: Flanged, Clamped, Welding, Thread (BSP, BSPT, NPT)

11). Type: Double-acting, Single-acting, Water-proof Hanmer

Option: Manual Position-Limit Actuator

This kind of actuator can adjust the piston opening, limit travel and adjusts the valve flow. It is applicable to all types of angle seat valve and also used for emergency brake when air supply is failed or mechanical (solenoid) failure occurs.

Producs Show







Packing Show

Contact

Thanks for your visiting.

If you have any questions about our products or company, please do not hesitate to contact us.

Contact Person: Olivia

Angle bar

Chengsheng Steel Pipe Co., Ltd , http://www.sdsteelpipes.com

                    General

Hydraulic Proportional Electrically Controlled Porportional Valve(HTW-MV13) is driven by bi-directional motor. The floating /modulating thermostat will continuously collect the data and make processing, and send out control signals to operate or stop the motor so as to control the open/close angle of the valve.

FAQ

Galvalume Steel Coil

Galvalume Steel Coil,AZ 150 Galvalume Steel Coil,Galvalume Steel Coil with AFP

Hengji Steel Co., Ltd , http://www.tj-steelpipes.com

Standard oil mold temperature controller

(oil heater)

Feature:

*Anti-explosive device pipe

*Blowing return function (optional)

*Back to the oil temperature indicator

*Power automatic exhaust function of heating power switching

*Negative pressure system operation (optional)

*Heat the oil BY-PASS relief loop

*Instant cooling power function

*Multi-point temperature control unit can be customized

*Pump horsepower and heating power can be customized

*Electric with OMRON,FUJI,TE,LG,Schneider, Siemens

*Temperature control range: max.temperature 300ºC

*304 stainless steel pipeline to reduce the tube group and rust

*Isolated electrical control box, to extend the useful life of electrical appliances

*RS485 communication function, automated management (optional)

*Control: imported microcomputer or PLC control (optional)

*Perfect safety protection. fault display, repair and maintenance without professionals

Standard specifications,some special specifications can be customized

Working principle:

The oil temperature machine is based on oil as a medium of heat transfer of mold temperature machine. The oil temperature machine has an oil storage tank. It is an cycle that heat conduction oil from oil storage tank into the system at work by the circulation pump into the mold or other need to temperature control equipment. And then the heat conduction oil from the temperature control equipment will returns to the system again. When the temperature is lower than the set value, the heater began to work, when the temperature after reaching the set value, and stop working.  In the process, if the oil temperature is too high, the system will activate the solenoid value to let cooling water cool down the temperature directly until the water is down to the system requirement. If the temperature keeps increasing and reach to the set point of EGO, system will sound high pressure alarm and stop operation. if oil pressure falls down below the set point the system will send a signal of low level alarm and stop working.

Packing and shipping:

○ Packing
1. Dust Proof Film + Anti-collision Foam + 5 Layer Cartons + Ply-wooded Case (For LCL only, no need fumigation).
2. Customized packing is available.
3. We are always working hard on the most reliable packing in order to help you get the Perfect products.
○ Shipping

1. Express delivery

2. Air flight

3. Sea shipment

4. Railway transportation



Trade shows:
Plast Eurasia Turkey

Arab Plast, Dubai, UAE

Company information:

NANJING BUYING INDUSTRIAL EQUIPMENT CO.,LTD is specialized in R&D, manufacturing, sales and service for industrial plastic molding auxiliary equipment and industrial refrigeration equipment.

To meet the social development demands, BUYING is making every efforts to develop a new generation of products, which is power saving, environment protecting, safer and reliable. Not only the appearance is beautiful, but also it is economic and durable.

BUYING dedicated to improve industry working efficiency and product quality, to create much more profits for every customer, to reach a win-win result.

Our service:

For new and old import and export customer supply:

1.A professional sales team,experienced engineers, advanced manufacturing equipment,particular production technology;BUYING strictly implements ISO9001 Standard in all pretation;Pass SGS and CE quality guarantee system keep and assure customer products and delivery time.

2.Supply specialized installation guidance and after services that anytime and any country if customer need.

3.Reply your inquires within 24 hours anytime and anywhere.

Customer need is the most important;Customer benefit is our benefit;Our grow from company credit and working duty for our new and old customers.

Application:
The oil temperature machine is suitable for the auxiliary production engineering plastic material, plastic products. The oil temperature machine first preset to the temperature needed for injection mold, a lot of time for the high quality product, reduce the raw material test. Mold temperature machine accurately to reduce waste, the quality and production, is an indispensable tool in injection molding industry. It is mainly applied to heating up and temperature maintenance of mold. It also can be applied to other fields with the same demands. High temperature oil from the mould is returned to the cooler for indirect cooling. Then the oil will be sent to the mold after being pressurized by pump and heater pipe, which realizes heating and temperature maintenance of the oil. In addition it can ensure stable temperature control with the type of controller.



Certifications:



FAQ:

1. What makes you different with others?

1) Our Excellent Service
For a quick, no hassle quote just send email to us.

We promise to reply with a price within 24 hours - sometimes even within thehour.

2)Our quick manufacturing time
For Normal orders, we will promise to produce within 15-20 working days.

We can ensure the delivery time according to the formal contract

2. May I know the status of my order?

Yes .We will send you information and photos at different production stage of your order. You will get the latest information in time.

3.Can I use our own brand logo on the products?
Yes. We provide OEM/ODM service to our customers. Our professional engineershaving rich experience in heat pump design and manufacture.Just tell us yourideas or provide the drawing, we can help you to carry out your ideas.
4.What is your terms of delivery?
We accept FOB, CFR, CIF, EXW etc.You can choose the one which is the most convenient or غير مجاز مي باشدt effective for you.
5. What is your payment terms?
1) T/T 40% deposit, T/T balance 60% paid before shipment;

2) T/T 40% deposit, balance 60% paid through irrevocable L/C at sight;

3) Other payment terms are negotiable.
6. What about warranty?

One year, all spare and accessory parts of products will be free.

High Quality Automatic Mould Temperature Controller Heater Used for Laminator

Welcome to contact us for more details:
Lynn Lu
Tel: +86 025 5273 5099

Bushing Cover For Busbar

SINOFUJI Bushing Cover For Busbar Made of radiation cross-linked polyolefin material, it has excellent physical, chemical and electrical properties. The main function is electrical insulation of connectors, rust and corrosion protection of solder joints, mechanical protection, and reduction of phase spacing. It is widely used in electronics, communications, machinery, manufacturing and other fields.

Busbar Protective Cover,Electrical Protective Cover,Insulating Shroud For Busbar,Insulating Enhancement For Busbar

ShenZhen FUJI Electric Material Co., Ltd , https://www.sinofuji.com