The company is a wholly-owned subsidiary of Kaishan Holding Group Co., Ltd., and was founded in Quzhou City, Zhejiang Province in 1956. Today, Kaishan Holdings has become a company specializing in the production, R&D, and overseas promotion of important compressors and heavy industry products in China. It ranks among the world's top 500 new energy enterprises and the top 100 enterprises in China's machinery industry. Kaishan Holdings owns several national high-tech enterprises. The company is an enterprise focusing on equipment manufacturing and new energy development. The business is mainly divided into two major sectors: R&D, manufacturing and sales of compressors and expanders, and geothermal power generation business. The geothermal business includes the development of geothermal resources and the operation of power plants, and also provides EPC engineering turnkey services or complete power generation equipment for geothermal power plants. Main products: oil-injected screw air compressors, centrifugal compressors, high-pressure reciprocating compressors, single-screw compressors, vortex, maglev blowers, air compressors, vacuum pumps, dry oil-free screw compressors, dry-pitch screw vacuum pumps, screw steam expanders, oil-injection-lubricated ORC screw expansion generators, screw oil-free ORC expansion generators, oil-free axial flow ORC expansion generators, etc.