Shanxi Yu-fan for coal transport co., Ltd. is a central large enterprises of science and technology in China Coal Research Institute of coal science and industry group of Chongqing Institute of majority-owned subsidiaries. in 2010, by the Scientific Research Institute of coal Research Institute and Yun fan in yuncheng city, Chongqing. joint venture. the
company is located in the three kingdoms of Shu Han name is Guan Yu's hometown--in yuncheng city, Shanxi province. has a long history in yuncheng city, was one of the earliest cradles of the Chinese nation. the company shipped fan in yuncheng city co., Ltd. was established in 1981, is China's mine k, BK, BDK series of axial-flow fan for energy-saving home, was the original point of the metallurgical industry, meitanbu, fan complex energy-saving fan for mine production enterprises.

company registered capital of 100 million Yuan, covers an area of more than 300 acres, has four plants, one, two or three plants located in yanhuqu in yuncheng city, four branch factories in Miton development zone, Urumqi, Xinjiang. the company's existing staff of more than 400 people, including research fellows, 4, and 10 senior engineers, professional technicians and senior managers of 86. the company has all kinds of fan for mine development, manufacturing capabilities, and has a sound quality management system, and has passed the quality management system certification. products sold throughout the country, are deeply trusted by users.

company advanced production and testing equipment, with a variety of numerical control equipment, welding machine, automatic sandblasting machine, testing equipment, balancing machines, thermal spray and other more than 380 sets. the company built a large experimental center of high pressure fan, equipped with large and medium diameter, 5.0M, and 3.2m three test wind tunnels to test fans maximum number № 46 (5000kW maximum power, maximum voltage 10kV), also equipped with a wide range of voltage of power supply and start device, is currently the most powerful fan for mine detection manufacturer. 

company existing mine with axis flow type FBCZ type main ventilation machine, and FBCDZ type on Rotary main ventilation machine, and FBD type pressure into type on Rotary local ventilation machine, and FBD type pressure into type multilevel on Rotary local ventilation machine, and FBS pressure into type double level local ventilation machine, and FBDS pressure into type double speed on Rotary local ventilation machine, six large series more than 100 over species model, and more than 6,000 over species specifications of products, Can all meet the needs of mine ventilation. "migration" fans into markets all over the country for more than 20 years, and the major mining groups and local key mining areas have established a good cooperative relationship, by the majority of users and well received by the community.

controlling shareholder China Coal Research Institute of Chongqing Institute (hereinafter referred to as "Chongqing Academy of coal") was established in January 1965, is located in shapingba district of Chongqing, existing staff of more than 1800 employees, covers an area of 568 acres, mainly in industrial safety and environmental protection, and other areas of technology research, product development, manufacturing and operating.

Chongqing coal ASTRI has a contingent of high-quality technology and management talent, 861 people existing all kinds of professional and technical personnel, in which 39 people, senior engineer, a researcher at 175 people. the Academy is approved by the Ministry of coal production in Chongqing technology post-doctoral mobile stations, security technology, and PhD in engineering, safety technology and engineering master's degree, master's degree in mining engineering degree-granting units, existing postdoctoral 3 people, and 37 doctoral, postgraduate 235 people.

Academy is unique in the coal industry of Chongqing coal mine safety technology based on units of National Engineering Research Center, national dust in coal mine ventilation safety products quality supervision and inspection center, and national mine safety station affiliated units of measurement. since built homes yilai bear completed has national major technology research project, and industry focus project and the provinces research project more than 720 over items, which more than 210 over items is national invention award and national, and Department provinces technology progress award; widely carried out has international domestic academic AC, and us, and British, and day, and method, and de, and wave, and Russia, and o, country keep with long-term of technology cooperation and AC, times hosting international academic meeting, and and domestic all large mining Bureau, and coal mine enterprise and University for cooperation research, Enjoy a high reputation in domestic and international academic community.

Chongqing Coal Research Institute of reform and development of the State and the community, and has been awarded the "Advanced Unit of hospital transparency of Central enterprises", "national model staff home," "national Wuyi labor Medal" and other honorary titles.