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As all technologies are updated and developed, the following is for reference only:

1. Which six systems are included in the basic equipment of a diesel generating set? Answer: (1) Oil lubrication system; (2) Fuel system; (3) Control and protection system; (4) Cooling and cooling system; (5) Exhaust system; (6) Starting system;

2. Why do we recommend customers to use oils recommended by a professional company in sales work? A: Engine oil is the engine's blood. Once the customer uses unqualified engine oil, it will cause the engine to cause shaft bearing seizure, gear teething, crankshaft deformation and fracture and Other serious accidents, until the whole aircraft is scrapped. Specific oil selection and use precautions are detailed in the relevant articles of this edition.

3. Why does the new machine need to change oil and oil filter after using it for a period of time? A: The new machine will inevitably have impurities in the oil sump during the run-in period, which will cause physical or chemical changes in the oil and oil filter. Generator professional maintenance network, there are professionals for your related maintenance.

4. Why do we require customers to install the unit when the exhaust pipe is tilted 5-10 degrees downwards? Answer: The main reason is to prevent rainwater from entering the exhaust pipe, leading to a major accident.

5, General diesel engines are equipped with manual oil pump and exhaust bolts, what is its role? A: Used to remove the air in the fuel pipe before starting.

6. How to divide the diesel generator automation level? A: manual, self-start, self-start and automatic power conversion cabinet, remote three remote (remote control, remote measurement, remote monitoring.)

7. Why is the generator's outlet voltage standard 400V instead of 380V? Answer: Because of the voltage drop after the outgoing line.

8. Why does the site of the diesel generator set require air to flow smoothly? A: The output of a diesel engine is directly affected by the amount of air sucked in and the air quality. The generator must have enough air to cool it. Therefore, the use of the venue must be airy.

9. Why shouldn't the tool be turned too tightly when installing the oil filter, diesel filter, or oil-water separator, and just turn it to oil-free? A: Because if the seal is rotated too tightly, the sealing ring will thermally expand under the effect of the oil bubble and the temperature of the body, causing great stress. Causes damage to the filter housing or separator housing itself. What's more serious is the damage to the body's aunt that cannot be repaired.

10. How to identify fake and counterfeit domestic diesel engines? A: First check whether there is a factory certificate and a product certificate. These are the “certificates” of the diesel engine and must be available. Check the three major numbers on the certificate 1) the nameplate number;

2) Body number (generally on the plane where the flywheel end is mechanically machined, the font is convex); 3) The oil pump nameplate number. Checking these three numbers with the actual number on the diesel engine must be accurate. If there are any doubts, these three major numbers can be reported to the manufacturer for verification.

11. After operating an electrician to take over a diesel generator, what are the three main points to verify? Answer: 1) Verify the unit's true useful power. Then determine the economic power, and standby power. The method for verifying the true useful power of the unit is: a diesel engine's 12-hour rated power multiplied by 0.9 to obtain a data (kw). If the rated power of the generator is less than or equal to the data, the rated power of the generator is defined as the actual useful power of the unit. If the rated power of the generator is greater than the data, the data must be used as the actual useful power of the unit.

2) Verify what kind of self-protection features the unit has. 3) Verify whether the power wiring of the unit is qualified, whether the protective grounding is reliable and whether the three-phase load is basically balanced.

12, there is a elevator starter motor 22KW, should be equipped with how much generator? A: 22 * ​​7 = 154KW (Elevator is a direct load start model, instantaneous starting current is generally 7 times the rated current,

In order to ensure the uniform speed of the elevator. (ie at least 154kW generator set)

13. How to calculate the optimal power (economic power) of the generator set? Answer: P best = 3/4*P rated (ie 0.75 times rated power).

14. What does the state require that the engine power of a general generator set should be greater than the generator power? Answer: 10.

15. Some generator engine power is expressed in horsepower. How does horsepower and international unit kilowatts be converted? Answer: 1 horsepower = 0.735 kilowatts, 1 kilowatt = 1.36 horsepower.

16, how to calculate the current of the three-phase generator? Answer: I = P / (√ 3Uغير مجاز مي باشدφ) that is, current = power (watts) / (√ 3 * 400 (volts) * 0.8).

The simplified calculation formula is: I(A) = unit rated power (KW) * 1.8

17. What is the relationship between apparent power, active power, rated power, maximum power, and economic power? Answer: 1) The unit of apparent power is KVA. China is used to express the capacity of transformers and UPS.

2) The active power is 0.8 times the apparent power. The unit is KW. China is accustomed to power generation equipment and electrical equipment. 3) The rated power of a diesel generator refers to the power that can be continuously operated for 12 hours.

4) The maximum power is 1.1 times the rated power, but only 1 hour is allowed within 12 hours.

5) The economic power is 0.75 times of the rated power, which is the output power of the diesel generator set that can operate for a long time without time limitation. At this power operation, the fuel is the most economical and the failure rate is the lowest.

18. Why does the diesel generator set not be allowed to operate for a long period of time below 50% of the rated power? A: The increase in oil consumption, diesel engine is easy to coke, increase the failure rate, shorten the overhaul cycle.

19, the actual output power of the generator when the power meter is based on the current meter or prevail? A: The current meter is used as the reference. The power meter is for reference only.

20. The frequency and voltage of a generator set are not stable. The question is whether it is an engine or a generator? A: It lies in the engine.

21. The frequency of a generator set is stable and the voltage is unstable. The question is whether it is an engine or a generator? A: It is a generator.

22. What is the problem of generator demagnetization and how should it be handled? Answer: The generator will not be used for a long time, resulting in the loss of residual magnetism contained in the iron core before leaving the factory. The excitation coil cannot build up the required magnetic field. At this time, the engine is running normally but no power is generated. This phenomenon is new. Or there are more units that are not used for a long time. Processing methods: 1) Press the excitation button with the excitation button, 2) With no excitation button, charge it with the battery, 3) With a light bulb load, speeding for a few seconds.

23. After a period of time, the generator set found that everything else was normal but the power was reduced. What was the main reason? Answer: a. The air filter is too dirty to suck in enough air. At this time, the air filter must be cleaned or replaced.

b. The fuel filter device is too dirty and the fuel injection volume is not enough. It must be replaced or cleaned. c. The ignition timing is not correct and must be adjusted.

24. The voltage and frequency of a generator set with load are stable, but the current is unstable. Where are the problems? A: The problem is that the customer's load is not stable, and the generator quality is absolutely no problem.

25. The frequency of a generator set is not stable. What are the major problems? A: The main problem lies in the unstable rotational speed of the generator.

26. What are the points that must be paid attention to in the use of diesel generator sets? Answer: 1) The water in the tank must be sufficient and work within the allowable temperature range.

2) Lubrication oil must be in place, but not excessive, and keep working within the allowable pressure range. 3) The frequency is stable at about 50 Hz and the voltage is stable at about 400V. 4) Three-phase current is within the rated range.

27. Which parts of the diesel generator set need frequent replacement or cleaning? A: Diesel filters, oil filters, air filters. (Individual units also have water filters)

28. What are the main advantages of brushless generators? Answer: (1) Maintenance of carbon brushes is eliminated; (2) Resistance to radio interference; (3) Loss of loss of magnetization.

29. What is the general insulation level of domestic generators? A: Domestic machine B; Marathon brand machine and Leroy Summa brand machine and Steinford brand machine are H class.

30. What gasoline engine engine fuel needs gasoline and engine oil mix? A: Two-stroke gasoline engine.

31. What are the conditions for the use of two generator sets in parallel? What device to complete the parallel operation? Answer: The conditions for parallel use are the same voltage, frequency, and phase of the two machines. Commonly known as "three simultaneous." Use a dedicated parallel device to complete the parallel operation. It is generally recommended to use a fully automatic cabinet. Try not to manually merge. Because the success or failure of manual paralleling depends on human experience. The author has ventured over 20 years of experience in electric power work, and the reliable success rate of manual parallel diesel generators is equal to zero. Never use the concept of manual parallelism in the mains power system to apply a small power system, because the protection level of the two is completely different.

32. What is the power factor of the three-phase generator? Can a power compensator be added to increase the power factor? A: The power factor is 0.8. No, because the charging and discharging of the capacitor can cause fluctuations in the small power supply. And the unit is oscillating.

33. Why do we require customers to perform a tightening of all electrical contact parts after each 200 hours of operation of the unit? A: The diesel generator is a vibration machine. And many domestically produced or assembled units do not use double nuts. The use of a spring washer is useless. Once the electrical fastener is loosened, a large contact resistance is generated, resulting in abnormal operation of the unit.

34. Why does the generator room have to be clean and free from floating sand on the ground? A: If the diesel engine inhales dirty air, the power will drop; if the generator inhales impurities such as sand, it will cause insulation damage between the stator and rotor gaps, resulting in burning.

35. Why doesn't the user generally recommend neutral grounding during installation in recent years? A: 1) The self-regulating function of the new generation of generators is greatly enhanced; 2) In practice, the lightning failure rate of the neutral-grounded units is found to be high. 3) The grounding quality is high and the average user cannot do it. Unsafe grounding is not as good as grounding. 4) The neutral grounded unit will cover the load leakage faults and ground faults, and these faults and errors cannot be exposed under the mains power supply condition.

36. What should be taken care of when using neutral ungrounded units? Answer: The 0 line may be live because the capacitor voltage between the live line and the neutral point cannot be eliminated. The operator must see the 0 line as a live body. Can not be treated according to commercial power.

37. How can UPS and diesel generators be matched in order to ensure the stability of UPS output? Answer: 1) UPS is generally expressed by the apparent power KVA, which is first multiplied by 0.8 to the unit KW that is consistent with the generator active power.

2) If a general generator is used, multiply the active power of the UPS by 2 to determine that the generator power, ie the generator power, is twice the UPS power. 3) If a PMG (permanent magnet machine excitation) generator is used, the power of the generator is determined by multiplying the power of the UPS by 1.2, that is, the generator power is 1.2 times the UPS power.

38, indicating the voltage or voltage of 500V electronic or electrical components, can be used for diesel generator control cabinet? A: No. Because the 400/230V voltage marked on the diesel generator set is an effective voltage. Its peak voltage is 1.414 times the effective voltage. That is, the peak voltage of the diesel generator is Umax = 566/325V.

39. Are all diesel generator sets self-protected? A: No. At present, there are even some belts in the same brand of units on the market. The user must know for himself when purchasing the unit. It is best to write a written document as an attachment to the contract. General low-priced machines do not have self-protection function.

40. What are the benefits for customers who have purchased self-start but have not purchased an automatic conversion cabinet? Answer: 1) Once a power outage occurs in the city network, the unit will start automatically to speed up the manual transmission time;

2) If the lighting line is taken out at the front end of the air switch, it can also ensure that the lighting of the engine room is not affected by the power outage, so as to facilitate the operation of the operator;

41. What does the common symbol GF of a domestic generator set mean? A: On behalf of double meaning: a) Power frequency generator set is suitable for China's general power 50HZ generator set. b) Domestic generator sets.

42. Does the load on the generator must maintain three-phase balance during use? Answer: Yes. The maximum deviation must not exceed 25%.

43. Which four strokes do four-stroke diesel engines refer to? A: Inhalation, compression, work, exhaust.

44. What is the biggest difference between a diesel engine and a gasoline engine? Answer: 1) The cylinder is different from the pressurized material. The diesel engine compresses air during the compression stroke; the gasoline engine compresses the gasoline and air mixture during the compression stroke. 2) Different ignition methods. Diesel engines rely on atomized diesel fuel for spontaneous combustion with high pressure gas; gasoline engines rely on spark plug ignition.

45. What does "two-vote-three system" specifically refer to in the power system? A: The second ticket refers to the work ticket and the operation ticket. That is, any work and operation performed on the power equipment. Must first receive the work ticket and operation ticket issued by the person in charge of duty. The parties must execute the ticket. The three systems refer to the handover system, the circuit inspection system, and the equipment switching system.

46. ​​What is the so-called three-phase four-wire system? Answer: There are 4 generating lines, of which 3 are fire wires and 1 is zero wires. The voltage between FireWire and FireWire is 380V. 220V between live and neutral lines.

47, three-phase short-circuit is how is it? What are the consequences? Answer: The direct short circuit is a three-phase short circuit without any load between the fire wires. The consequences are terribly terrible, and serious ones will lead to aircraft death.

48. What is the so-called reverse power transmission? What are the two serious consequences? Answer: The condition of sending power to the city grid by a generator is called reverse power transmission. There are two serious consequences: a) There is no power outage in the city network, and the city grid power supply and self-provided generator power supply will not be synchronized in the same period, and it will destroy the unit. If the capacity of the self-provided generator is large, it will also cause the city network to oscillate. b) The city network has been outage and is undergoing maintenance, and its own generator is being reversed. It will cause electrician maintenance personnel to electrocution.

49. Why should the commissioning personnel thoroughly inspect all fixing bolts of the unit before they are fixed? Are all line interfaces intact? Answer: After long-distance transportation, the crew sometimes can't loosen or drop the plug and the line interface. The light affects the debugging and the damage to the machine.

50. What level of energy is energy? What are the characteristics of AC? A: Electric energy belongs to secondary energy. AC is converted by mechanical energy. DC is converted by chemical energy. The characteristic of AC is that it cannot be stored.

51. What conditions do the generator set meet before it can be turned on and off? A: The water-cooled unit has a water temperature of 56 degrees Celsius. Air cooling unit, body slightly hot. The voltage frequency is normal at no load. Oil pressure is normal. Before closing power transmission.

52. What is the order of load after power-on and power-off? A: Take the load from big to small.

53. What is the order of unloading before shutdown? Answer: The load is removed from small to large in order, and finally shut down.

54, why can not load off, boot? A: The emergency shutdown with load shutdown is a big impact on the unit. It is a violation of the operation of a load with a boot to damage the power equipment of the power generation equipment.

55. What should you watch out for when using diesel generators in winter? Answer: 1) Pay attention to the fact that the tank must not be frozen. Preventive measures include the addition of special long-term anti-rust, antifreeze or electrothermal equipment to ensure that the room temperature is above the freezing point. 2) Do not bake with open flames. 3) The no-load warm-up time is a bit longer before power is transmitted.

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Project Investment Growth 8.6% R&D Expense Rise 6% Increase in Overseas Investment

For many American chemical companies in 2007, it can be described as a good year. Although energy and raw material prices have continued to rise and hit record highs, these companies have succeeded in "passing" the increased غير مجاز مي باشدt of most products to customers, and they have still obtained considerable profits. In addition, although the speed of development of housing construction and automobile industry in the United States has slowed down, the demand for US chemicals in overseas markets has been strong and has become a major factor supporting its growth.
Analysts believe that the good years of American chemical companies will continue this year. Although most companies believe that the U.S. economic development may encounter greater resistance in 2008, the demand for chemical products in the Asian market will continue to grow at a fast rate. Many companies have formulated plans based on this analysis including project construction investment and research and development expenses. Future-oriented 2008 spending plans.
Project investment increased by an average of 8.6%
Not long ago, 17 chemical companies in the United States accepted the annual survey of Chemical Engineering and News. According to statistics, in 2008 these companies spent an average of 8.6% on new projects and new equipment. The total amount will reach US.8 billion.
Some US chemical companies surveyed said that in 2008, they will substantially increase investment in project construction to strengthen their global competitive position. Among them, Cabot’s capital budget has the largest increase. It is said that the company’s capital expenditure this year will increase by 54.1% to US5 million in order to expand its carbon black and specialty chemical production capacity in China. In addition, the company also intends to launch a series of new projects in other regions in order to increase the energy efficiency of its production plants.
The Austrian chemical company headquartered in Connecticut, the United States, has also seen a significant increase in capital expenditures for new projects this year, with a specific rate of 26.2% and a total value of US million. Its most important project is to build a production base in Suzhou, China - a factory that mainly produces zinc-based anti-dandruff compounds, and plans to put it into production this year. Other actions include the expansion of the production capacity of water treatment chemicals in Brazil.
There are also some companies that constantly expand their projects to meet the needs of users. For example, Cytec Industrial Co., Ltd. last year expanded its carbon fiber plant because of strong demand for carbon fiber used in the manufacture of lightweight composite materials. This year the company will also continue to expand and transform carbon fiber. In addition, some companies have increased the production capacity of waterborne coatings and radiation-cured coatings last year, but since the market for these two types of coatings is expected to grow substantially this year, they will continue to expand their production facilities.
R&D spending increased by an average of 6%
14 of the 17 companies also received an annual R&D budget survey. The growth rate of these companies' R&D budgets this year is smaller than that of project investments. On the basis of last year, the average growth rate is 6%. The total R&D budget will reach US.8 billion. Over the past few years, the غير مجاز مي باشدt of R&D for American chemical companies has fluctuate little. When the prospects for the industry are good, the proportion of the company's R&D expenditures is correspondingly lower, because everyone has invested more funds in the projects that are actually under construction. This year, companies spent 28.5% of their expenses on research and development as a percentage of future-oriented expenditures, up from 35.3% in 2004, the highest in 10 years. Of the 14 companies surveyed under the R&D spending plan, nine companies said that they will increase spending further in 2008, and five said that this year has not changed much compared to last year.
WR Grace said that in order to enhance the company’s core competitiveness, the R&D budget for 2008 will increase by 18.9% to US million. Rohm and Haas Company stated that its R&D budget has increased by 13.2% to US5 million. It is said that R&D investment is increasing to provide more support for high-growth economic regions in order to introduce more innovative product solutions.
The proportion of overseas investment has risen sharply. In the long run, American chemical companies are accelerating their investment in overseas projects. The purpose of doing so is, on the one hand, in order to meet the needs of customers in a timely manner, on the other hand, overseas construction projects are often less expensive than the raw materials used in the United States to build factories.
The American Chemical Industry Council (ACC) recently stated that its members expect that the proportion of project construction spending in the United States in total capital expenditure will decrease from 62% in 2006 to 48% in 2011. In sharp contrast, the proportion of its investment in Africa and the Middle East has increased significantly, from 2% in 2006 to 15% in 2011. The ACC also expects that in 2009, American Chemicals' R&D expenditure will increase by 4.9%.
Greening of products and production processes Many chemical companies now have such a trend in their development: to make products and their production processes green. Relevant experts believe that the greening of a product and its production process is not always the only way. The most important thing is to reduce or eliminate “three wastes” and use energy more effectively.
Experts suggest that chemical companies must pay attention to the latest green policies issued by various governments, such as the EU's REACH regulation and some NGOs’ initiatives like Greenpeace, and consider them For an opportunity, not an obstacle. Chemical companies should actively carry out R&D activities and develop more innovative products and solutions to maintain their competitiveness in a growing number of regulations.

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On March 9, the CPPCC National Committee of the Chinese People's Political Consultative Conference discussed the opening to the outside world. Wang Yuqing, member of the National Committee of the Chinese People's Political Consultative Conference and former deputy director of the State Environmental Protection Administration, stated that the State Environmental Protection Administration will be upgraded to the “Ministry of Environmental Protection”, which shows that the country attaches importance to environmental protection. He said that in this reform, there are not many departments promoted to the Ministry, and the State Environmental Protection Administration is the more prominent one. In this way, the State Environmental Protection Administration will be the constituent department of the State Council and will be able to participate more in the comprehensive decision-making of the country. Moreover, the inclusion of environmental issues in major decisions of the State Council is also more powerful and convenient.

In the “festival” of the “Environmental Protection Department” upgraded by the State Environmental Protection Administration, we spontaneously recalled a “squatter” news a few days ago. In the vicinity of the Wujiazhuang Central Elementary School in Weicun Town, Linyi District, Shanxi Province, an illegal chemical factory discharged benzene-containing waste gas and waste water, causing the students of the school and Wujiazhuang village to have different degrees of headaches and nausea. The local villagers collectively squatted and demanded that the factory stop production. This kind of extreme form of civil rights protection also shows from a side that breakthroughs in the public governance of environmental protection have been time-tested.

If "Shang Xia" is not enough to explain the seriousness of this dilemma, then there are even more shocking facts and figures: One-third of China's areas have experienced acid rain, half of China's seven major rivers are heavily polluted, and four One-quarter Chinese residents do not have clean drinking water sources, one-third of urban residents have to breathe dirty air, and environmentally-friendly municipal waste accounts for only a small minority of 20%. Disaster weather, such as rainstorms in Chongqing and Jinan, floods in some provinces and cities in the south, "human and mouse wars" in Dongting Lake, successive outbreaks of water algae such as Taihu Lake, Dianchi Lake and Chaohu Lake, and the resulting Wuxi water Crises and other incidents have made us expect that the environmental protection departments will need to “get true” both in terms of work efficiency and overall management ideas.

The upgrade of the environmental protection department level, although not the master key, can not afford all the weight of the current environmental protection public governance proposition, but this promotion has released a strong signal to the public: environmental protection issues have become truly "upgrading", public The management department has already faced this dilemma and has dared to break through. The upgrading of ranks, and the strength of their functions and work naturally rise. This is exactly the public's delight and anticipation after the upgrade of the State Environmental Protection Administration. Last year, Pan Yue, the deputy director of the General Administration of China, once claimed that “the limitation of the river basin” was my last resort. Therefore, we have reason to expect that only the last one of the environmental protection work will be ushered in the entire “environmental protection” of environmental public governance work because of the upgrading of the ranks.

Of course, we should rationally see that the promotion of rank is only the first step. Here, we cannot but mention a term: "The Qianmu system trap." The historian Qian Mu pointed out in his analysis of Chinese history that the tradition of deducing the Chinese political system is that a system has gone wrong and a system has been set up to prevent it. As time goes on, the more intensive the system, the easier it is to ambiguity, the easier it is to make loopholes, and the easier it is to lose efficiency. The “Qianmu System Trap” tells us that an effective system is not that the more organizations, the higher the specifications, the better. Now that the State Environmental Protection Administration has upgraded to the Ministry, we also have to guard against this "trap" early.

What should even be seen is that the author believes that environmental governance should be a multi-directional public affairs that integrates administrative measures, market forces, and citizen participation. From the level of upgrading, to solve the "hardware" issues such as establishment, function; from the assessment system, to solve the "software" lack of cadres environmental protection power; Third, folks "implore" to manage local pollution cases, highlighting the awareness of civil environmental rights And the enthusiasm of citizens to participate in the growing. Therefore, if we can seize the two aspects of “officials” and “people” at the same time, it will be possible to resolve the final shortcut to the “environmental dilemma”. The search for this short cut may be the direction and effort that we should consider after the Environmental Protection Administration "upgraded." Upgrading is just the beginning, and Xiong Guan really likes irons. Now it is moving from scratch.

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59000 59000 58000 57500 57500 March 4 59500 59000 59000 58000 57500 57500 March 3rd 59500 59000 59000 58000 57500 57500 Qingpu 409L/2B coil 0.4 (dead) 0.5 (dead) 0.6 (dead) 0.7 (defective) 0.8 March 11 14200 14000 13500 13000 13000 March 10th 14200 14000 13500 13000 13000 March 7 14200 14000 13500 13000 13000 March 6 14200 14000 13500 13000 13000 March 5 14200 14000 13500 13000 13000 March 4 14200 14000 13500 13000 13000 March 3 13900 13800 13300 12800 12800 Qingpu 409L/2B Coil 0.9 1 1.2 1.5 2 March 11 12200 11800 11800 11800 11800 March 10 12200 11800 11800 11800 11800 March 7 12200 11800 11800 11800 11800 March 6 12200 11800 11800 11800 11800 March 5th 12200 11800 11800 11800 11800 March 4 12200 11800 11800 11800 11800 March 3 12000 11600 11600 11600 11600 Krupp 430/BA coil 0.3 (dead) 0.4 0.5 0.6 0.7 March 11 19000 17700 16500 15800 15400 March 10th 19000 17700 16500 15800 15400 March 7th 19000 17700 16500 15800 15400 March 6th 19000 17700 16500 15800 15400 March 5th 19000 17700 16500 15800 15400 March 4th 19000 17700 16500 15800 15400 March 3 18700 17 400 16200 15600 15200 Krupp 430/BA coil 0.8 0.9 1 1.2 1.5 2 March 11 15400 15000 15000 14800 14500 14200 March 10 15400 15000 15000 14800 14500 14200 March 7 15400 15000 15000 14800 14500 14200 March 6 days 15400 15000 15000 14800 14500 14200 March 5 15400 15000 15000 14800 14500 14200 March 4 15400 15000 15000 14800 14500 14200 March 3 15100 14800 14700 14500 14200 14000 TISCO 430/2B coil 0.4 (absence) 0.5 0.6 0.7 0.8 March 11th 16000 14000 13600 13600 12800 March 10th 16000 14000 13600 13600 12800 March 7th 16000 14000 13600 13600 12800 March 6th 16000 14000 13600 13600 12800 March 5th 16000 14000 13600 13600 12800 March 4th 16000 14000 13600 13600 12800 March 3 15800 13800 13400 13400 12600 TISCO 430/2B Coil 0.9 1 1.2 (dead) 1.5 2 March 11 12800 12800 13000 12600 12600 March 10 12800 12800 13000 12600 12600 3 On the 7th of the month 12800 12800 13000 12600 12600 March 6 12800 12800 13000 12600 12600 March 5 12800 12800 13000 12600 12600 March 4 12800 12800 13000 12600 12600 March 3 12600 12600 12600 12600 12400 12400 treasure new 430 /2B tablet 0.4 0.5 0.6 0.7 0.8 March 11 14500 12900 12800 12800 12400 March 10 14500 12900 12800 12800 12400 March 7 14500 12900 12800 12800 12400 March 6 14500 12900 12800 12800 12400 March 5 14500 12900 12800 12800 12400 March 4 14500 12900 12800 12800 12400 March 3 14500 12900 12800 12800 12400 Baoxin 430/2B tablet 0.9 1 1.2 1.5 2 March 11 12000 12000 11800 11800 11800 March 10 12000 12000 11800 11800 11800 March 7 12000 12000 11800 11800 11800 March 6th 12000 12000 11800 11800 11800 March 5th 12000 12000 11800 11800 11800 March 4th 12000 12000 11800 11800 11800 March 3 12000 12000 11800 11800 11800 Baoxin 430/2B Coil 0.4 (Absence) 0.5 0.6 0.7 0.8 March 11th 16400 14200 13900 13500 13400 March 10th 16400 14200 13900 13500 13400 March 7th 16400 14200 13900 13500 13400 March 6th 16400 14200 13900 13500 13400 March 5th 16400 14200 13900 13500 13400 March 4th 16400 14200 13900 13500 13400 March 3rd 16400 14200 13900 13500 13400 Baoxin 430/2B Coil 0.9 1 1.2 1.5 2 March 11 13000 13000 13000 13000 13000 March 10 13000 13 000 13000 13000 13000 March 7 13000 13000 13000 13000 13000 March 6th 13000 13000 13000 13000 13000 March 5th 13000 13000 13000 13000 13000 March 4th 13000 13000 13000 13000 13000 March 3 13000 13000 13000 13000 13000 Bao New 304/2B Coil 0.31 0.4 Missing 0.5 0.6 0.7 March 11 36000 36000 34800 34000 34100 March 10 36200 36200 35000 34200 34100 March 7 36200 36400 35000 34400 34100 March 6 36200 36400 35000 34400 34100 March 5th 36200 36200 34800 34200 33900 March 4th 36200 36200 34800 34200 33900 March 3 36200 36200 34800 34000 33700 Baoxin 304/2B Coil 0.8 0.9 1 1.2 1.5 2 March 11 33200 33100 33100 32900 32800 32800 March 10th 33200 33200 33200 33000 32900 32900 March 7th 33200 33100 33100 33000 32900 32900 March 6th 33200 33100 33100 33000 32900 32900 March 5th 33000 32900 32900 32800 32700 32700 March 4th 33000 32900 32900 32800 32700 32700 March On the 3rd 32800 32700 32700 32600 32400 32400 TISCO 304/2B flat 0.5 0.6 0.7 0.8 0.9 March 11 31700 31200 31000 30500 30300 March 10 32000 31500 31200 30800 30600 March 7 32000 3 1500 31200 30800 30600 March 6 32000 31500 31200 30800 30600 March 5 32000 31500 31000 30700 30500 March 4 32000 31200 31000 30700 30500 March 3 31500 30800 30500 30300 30200 TISCO 304 2B Flat 1 1.2 1.5 2 March 11 30300 30300 30300 30400 March 10 30600 30600 30600 30700 March 7 30600 30600 30600 30800 March 6 30600 30600 30600 30800 March 5 30500 30500 30500 30500 March 4 30500 30500 30500 30500 March On the 3rd 30200 30200 30200 30300

غير مجاز مي باشدmetic Grade Pearlescent Pigment

غير مجاز مي باشدmetic Grade Pearlescent Pigment,Pearlescent Pigment Powder,Pritty Pearlescent Pigments,Pearlescent Pigments غير مجاز مي باشدmetics

lilygroup Co.,Ltd , https://www.lilychemical.com

Guangxi Rubber Machinery Factory's 3000 (117") tire shaping vulcanizing machine was recently awarded the "Guangxi Innovation Plan" Guangxi Major Product Innovation Award.
The 3000 (117") tire shaping and vulcanizing machine independently developed by Guangxi Rubber Machinery Factory has created a precedent for the export of large-scale tire shaping and vulcanizing machine complete sets of equipment in China.The development of this product and the formation of its production capacity can not only export foreign exchange in bulk, but also China's engineering tire manufacturers provide vulcanization equipment and technologies that have reached the international advanced level. Guangxi District Science and Technology Department organized experts to identify 3000 (117") tire shaping vulcanizing presses. The participating experts agreed that the product has advanced design and is the first in China. The main technical indicators have reached the international advanced level of similar products.

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Shaoxing Lifecare International Trading Co., Ltd , https://www.sx-lifecare.com