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Lin'an Manufacture Base Hangzhou Hangyang Cryogenic Equipment Co.,Ltd. Hangzhou Hangyang Cryogenic Equipment Co.,Ltd. Hangzhou Hangyang Cryogenic Equipment Co.,Ltd.
1950 Hangzhou Oxygen Plant Manufactory was founded.
1956 We successfully produced and commissioned the first set of 30m3/h air separation plant in China.
1957 The first base for production of air separation plant and liquefaction plant in China was established in Hangzhou Oxygen Plant Manufactory.
1978 We imported the know-how for design and manufacturing of 10000 m3/h air separation plant and the technology for controlling of large air separation plant from Linde, German.
1978 We transferred the know-how for manufacturing the fins of plate-fin heat exchanger and the system to Linde, German.
1984 We were awarded the License for designing and manufacturing Class 1, 2 and 3 pressure vessels.
1988 We were the first to develop 6000 m3/h air separation plant of the normal temperature purification process by molecular sieve with the booster turbo expander and DCS. And we also imported the know-how for manufacturing pressure swing adsorption system from Linde, German.
1989 We were awarded the Authorization Certificate for design and Manufacturing of boiler & Pressure Vessel and Stamps U and U2 by ASME, USA.
1991 We imported the large vacuum brazing furnace and technology for design and processing of aluminimum plate-fin heat exchanger from SW, USA.
1992 We manufactured the first set of 14000 m3/h air separation plant with the normal temperature purification process by molecular sieve with the booster turbo expander.
1993 Hangzhou Oxygen Plant Manufactory was renamed as Hangzhou Oxygen Plant Group Company.
1994 Hangzhou Hangyang Air Liquid Co.,LTD (Sino-France Joint Venture) was set up, which we had shares in.
1995 Hangzhou Oxygen Plant Group Co.,LTD was established.
2002 Hangzhou Hangyang Co.,LTD was established because of reform in our stock sharing system.
2006 Hangzhou Hangyang Cryogenic Equipment Co.,Ltd was established as one subsidiary companies of Hangzhou Hangyang Co.,LTD.