In 2005 , Yi'nuo Baosi Group invested in founding Shanghai Baosi Compressor Co., Ltd. in Shanghai. The company engaged the famous screw compressor design & manufacturing experts enjoying the subsidies of State Council and the first batch of screw study& design engineers. After 4 years' R&D, we succeed in mastering the BS type design technology of Baosi screw rotor which has independent intellectual property rights .
In May 2008, Yi'nuo Baosi Group invested in setting up Ningbo Baosi Energy Equipment Co., Ltd. which formally put into large-scale production with the steady development of energy machinery equipment industry and the growing technical team in July 2009. So far, the company has formed a series of products, including screw compressor air end/host, medium-pressure screw compressor, screw vacuum pump, oil-gas multiphase pump, skid-mounted liquefaction equipment, flammable gas(CBM,oil gas,Petrochemical exhaust,biogas, shale gas and other industrial gas )recycling engineering equipment etc.