Hangyang compressor has a history of more than forty years of design and manufacture of air separation of form a complete set of oxygen compressor, nitrogen machine, air compressor, booster has series of products, form a complete set of air compressor for 40000 air separation performance, the highest circulation booster pressure can do 6.0 MPa, and oxygen turbine compressor at present can achieve the maximum flow 100000 Nm3 / h, the highest pressure 4.0 MPa. In addition, for gas products with small flow and high pressure, Hangzhou Oxygen has developed reciprocating compressors, which are suitable for oxygen, nitrogen, argon, hydrogen, natural gas and carbon dioxide, with the highest pressure up to 20MPa. The compressor has been sold to European and American countries to meet the API standards.