Hangzhou Hangyang Compressor Co., Ltd. Was established in September 2000, and it is a share holding enterprise of Hangzhou Hangyang Co., Ltd. The former of The compressor company is a key machine manufacturer enterprise subsidiary to HangYang Group, especially manufactures piston type compressors for various processes, and has more than 5 decades'history. The company is an enterprise integrating with the design, manufacture, marketing and after-sale service, and the application technology, safe stability and performance parameters of its products keep at omestic advanced level. Its products are widely used in many fields of both home and abroad such as metallurgy, national defense, petrochemical, coal chemical, LNG, and carbon dioxide treatment, and the compression medium include oxygen, nitrogen, carbon dioxide, hydrogen, NG, various raw gases, and refrigerants. The company conducts the customers'-orientated business idea of ceaselessly meeting customers' demands, constantly as per market demands develops new products with science and technology as the lead, and owns independent intellectual property rights. In the last years, it was evaluated as the excellent innovation enterprise of Zhejiang Province, and it is the governing member of China General Machinery Industry Association Compressor Sub-association.