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Hangyang has the ability to design and manufacture over 40-45 sets of large/medium size ASUs per year，which is equivalent to the total oxygen output of 600,000-700,000m3/h. In 2005, it has produced 41 sets of large size ASUs, in which 17 sets are the ASUs with the capacity of 20000-50000m3/h. The turnover of the main business is 1.73 billion RMB Yuan and the total order amount of ASUs is 2 billion RMB Yuan in 2005. In 2005, the overseas business of ASU products has exceeded 40 million USD which is 17% of total order amounts in the year.

Company History

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 turboexpander 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 turboexpander

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.

Management Principles

Hangzhou Hangyang Co.,LTD 's management principles state the purpose of our business activities, and also provide a basis for its operations. It embodies the key concepts of “Respecting human dignity, innovation and development ”.Also, we regard “understanding, integrity, passion” as our core values to be the catalysts for our sustainability progress.