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In recent years, China's hex bolt equipment manufacturing industry has developed rapidly, but most of the high-end pvc fitting bearings that support major equipment are still relying on imports, bearings and other core components have become bottleneck of China major equipment development. Large wind turbine bearings, deep drilling rig turntable bearings, offshore plastic valve drilling platform blow molding machine bearings and other high-end bearings of energy equipment are also the weakness of domestic enterprises.

China wind power bearings were dependent on foreign imports in a long stage, the price was expensive, the manufacturing cost of per kilowatt wind power equipment had been increase and the decline of the wind power cost also had been reduced. Currently, the scale and series manufacture of domestic wind power bearings has been formed gradually. In wind power bearings, the technical threshold of yaw bearings and pitch bearings is relatively low, while the technical content of spindle bearings and accelerator bearings is higher; the generator bearings are the general products with mature technology. At present, the capacity of domestic wind power bearing enterprises is focused on yaw bearings and pitch bearing, and give priority to the supporting bearings of wind power equipment within 3 megawatts, the spindle bearings and accelerator bearings mainly rely on imports, only individual domestic enterprises get involved in it initially.

It is understood that China is far from fully digested on the design, manufacturing and testing techniques of wind power bearings, for example, what kind of bearings is the best for spindle bearing, what kind structure of slewing bearing is well for pitch bearing, how to prevent cracks on the raceway and gear hardening of slewing bearing conveyor , how to ensure the surface hardness and hardened depth and other difficulties are still at an exploratory research.

Difficulties did not block China bearing enterprises to develop in exploration. A group of domestic leading enterprises are targeting the world level, they take high-end supporting bearings in 16 key areas as the market guidance, and implement the wire mesh technical transformation with strong investment, high level and fast output, now it has formed a full range of production capacity with 1.5 MW, 2.1 MW and 3 MW wind power bearings.

In the Senior Seminar of Bearing Technology and Industrial Development in High-end Equipment Manufacturing recently held, a number of industry experts believe that one of the cable bottlenecks on China's high-end equipment manufacturing is the lack of high-end bearings, at the same time, the bearing is also the industry that most likely to first achieve breakthrough during the Twelfth Five-Year Period. Mr. Lu Bingheng, the academicians of Chinese Academy of Engineering, he believed that the R & D of high- end bearing related to materials, oil and lubrication, wire mesh manufacturing, design, bearing manufacturing equipment, test and a series of technical problems, but also involved contact mechanics, lubrication theory, tribology, fatigue and failure, heat treatment, materials organization and other basic research and cross-discipline. We must work out key layout in industrial development policy, seal technology development planning and some other aspects, and solve the backward sealing products development of high-end bearing in equipment manufacturing. Only when we organize force from several aspects, attack problems together and do a good job on combining production and research can complete the task of moving to high-end bearings.

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As modern mould, with the characteristic of high technology-intensive blow molding machine industry under the high-tech and human-intensive background, it is the leading industry in the way of new industrialization. Mould as an important hex bolt equipment manufacturing industry, when serves all walks of life it also directly serves the high- tech industry, and it plays a special and important role in the manufacturing product R & D�C innovation and production, which make the ability and level of manufacturing mould become important symbols of a country's innovation capacity. Mould provides technical equipment protection for all types of parts forming, at the same time the development of mould technology is driven by the forming parts technology, and to some extent the product innovation also depend on new mould plastic valve technology.

In 2010 the economy has become gradually stable, as the growth mode of the manufacturing transformation and key support of the industrial restructuring, the mould industry undoubtedly plays a decisive role. To communicate between the upstream and downstream manufacturing industries and promote the manufacturing development jointly has become an important task of China's mould industry.

In order to promote the overall level of the manufacturing, some relative departments of China's government focus on grasping the basic and support in the pumps industrial upgrading and the product restructuring toward the right direction, which has well response in the industries. In the guide of the mould enterprises, China Die & Mould bag making machine Industry Association also stresses the idea of developing pumps and full researching the mold downstream technology and product development, which should also be presented in the assignment of the 12th five-year- plan scheme, when develop the blow molding machine industry, to communicate with the downstream industry and lead the mold industry technological progress and industrial upgrading according to the workpiece technology are emphasized particularly.

Moulds provide service for downstream pump products, including the cip industry of automobile, home appliances, plastics and the field of medical devices and track transportation. The transformation means of China's mould industry should accord with the requirements of downstream industries and the full integrate with their magnet development. As for the pvc fitting manufacturing, with the progress of the workpiece technology on the basis of the existing complexity, accuracy and other requirements, the complex, multi-colored, multi-material and multi-layer forming mould, the motor technology of high optical seamless mold without coating and slush mold all have become new fields of mold technology.

The mass production of industrial pump products and the development of new slitting machine products can't be without mould, the high consistency, high productivity, high accuracy, high complexity, low power consumption and low supplies achieved by mold workpiece have made the mold industry become more and more important in the manufacturing. With the generator product replacement become faster and faster, new products emerge continuously and new technology changes with each passing day, the use range of mould become increasingly wide, so the demands of the mould are increasing day by day.

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In order to implement and practise the scientific outlook on development, a development plan with authority, hex bolt, guidance, encouragement and maneuverability for bearing industry in the mid- and-long term was prepared on the Twelfth Five Years Plan Program Meeting that held in Beijing by China slitting machine Industry Association, which can reflect the will of the state, accord with national industrial policy and bag making machine industry development practice, and also direct the cip industry to develop rapidly and healthily.

The main contents of the meeting are: to achieve a comprehensive and in-depth discussion on the first draft of National Bearing Industry Twelfth Five Years Plan, to scientifically expound the pvc fitting development strategy, guiding ideology, development goals, development measures and other important chapters, to put forward detailed ideas and suggestions of modification and supplement, and do the preparation for Shanghai Bearing Forum Discussion Summit this year and the formal plastic valve release in the second quarter of 2010.

At the meeting, Ms. Yang Naiyan, the senior adviser of China bearing Association, stressed that to program the Twelfth Five Years Plan of the industry, the first important thing is to clear the mind of strategic blow molding machine development and grasp the principal contradiction. At present, China bearing industry has been of considerable size, its conveyor output is 11 billion sets and the main business revenue is 92 billion Yuan. During the Twelfth Five-Year Period, the focus of wire mesh development is to substantially improve product quality and technology level, increase the market share of the main machinery supporting bearing and enter to high-end bearing seal market such as high speed passenger trains bearing, high-power wind power bearing, middle- high grade car bearing, precision CNC machine tool spindle bearing, large aircraft bearing. Therefore, it is necessary to further magnet practice the scientific outlook on development, increase the technology innovation and technical research, and go along the way of introducing -- digestion and absorption-- re-innovation.

With high degree of enthusiasm and serious and responsible attitude, participants put forward specific additional revisions suggestions on the sealing products industry's Twelfth Five-Year Plan draft.

Mr. Liu Enshi, the chairman of China Bearing Association, also assigned their principal work in next step.

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After twenty years of digestion and absorption of foreign hex bolt advanced technology and innovation, especially after the research and development of a number of national major technical equipment such as large-scale synthetic ammonia, large- scale urea, large-scale ethylene cracker and post- processing key equipment, China's gear pump equipment manufacturing industry has obtained rapid development.

As for gear pump industry, which takes ethylene cracking as the representative, although currently China doesn't have the ability of supplying complete pvc fitting sets of equipment, but in recent years, the research and blow molding machine development of gear pump key equipment also has made significant progress: ethylene cracking furnace and quench boiler, ethylene cracking three machines (cracked gas compressor, propylene compressor, ethylene compressor) with 30 tons / year, a variety of cryogenic pumps, plate- fin heat exchanger (cold box) with the pressure of 7.8MPa, large ethylene spherical slittin g machine tank, polypropylene reactor, large twin-screw granulator unit and so on have been successfully cip developed.

At present, every year China has been able to manufacture plastic valve more than 5 million tons oil refining equipment, 8 million tons rude oil distillation unit, 2 million tons heavy oil catalytic cracking unit, 1.5 million tons hydrocracking unit, 2 million tons residue hydrodesulfurization unit, 1 million tons delayed coking unit and so on. As for some devices that are difficult to manufacture, such as hydrogenation reactor used for hydrocracking and hydrogenation refining unit, high pressure heat exchangers, high pressure air cooler; centrifugal circulating hydrogen compressor used for hydrogenation and reforming unit, new reciprocating hydrogen compressor with 50 tons and 80 tons piston power; main fan, oxygen- enriched compressor, high efficiency cyclone separator, catalyst cooler, flue gas turbine and important process pump that used for catalytic cracking and delayed coking unit, which are all bag making machine manufactured independently by China.

In addition, the small and medium sized chemical fertilizer generator equipments, which are produced by China for a long time, have been replaced by large-scale equipment gradually because of its backward technical index. Large-scale chemical fertilizer blow molding machine equipments represented by 300 thousand tons / year of synthetic ammonia and 520 thousand tons / year of urea include the ammonia converter with the diameter of 2.8 m and CO2 gas. At present, Chinese motor major petrochemical pumps equipment manufacturing enterprises have owned better sealing products technology and equipment, the manufacturing technology of some large-scale gear pump, chemical fertilizers, inorganic chemical pump equipment has achieved a higher level, and some equipment products even have reached the level of the world's similar products. The domestic design and manufacturing capabilities of general towers, containers, heaters, heat exchange magnet equipment is more mature, and the difference between international standards has been gradually narrowed.

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