INTRODUCTION TO
HANGZHOU SERGAS ENGINEERING CO., LTD.

　　Hangzhou SERGAS Engineering Co., Ltd. (hereinafter refer to as “SERGAS”) is a subsidiary company held by Xi’an Jiaoda SER Turbo-Machinery Equipment Co., Ltd., (hereinafter refer to as “SER”)and it is the sales and engineering centre of SER compressors in air separation field. .
　　SERGAS has been continuously integrating the resources superiority in the field of air separation and compressor, and has been devoted itself to the market promotion, product distribution, and technology support of SER “All-Over Controlled Vortex” technology to the compressor in air separation field, as well as overall design of air separation series compressor.
　　SER compressor has formed complete series of compressor products covering up to scale of 40000Nm3/h air separation unit, including:
　　 ◆ 4DI series single shaft isothermal type: mainly used as material air ?compression of air separation unit, the currently max. compressed flow-rate is 220000Nm3 /h.
　　◆ GH series multi-shaft isothermal type: currently up to 3-shafts, 6-stages compression, mainly used for product nitrogen compression in air separation unit, max. compression flow-rate up to 40000Nm3 /h..
　　◆ BGH series multi-shaft isothermal type: currently up to 3-shaft, 5-stage compression, mainly used as air/nitrogen booster in air separation unit internal compression process, currently max. discharge pressure can be up to 7.5MPa(A), max. boosting flow-rate can be up to 150000Nm3 /h..
　　◆ 4DI+$BGH series combined unit of single turbine with two compressors type: mainly used as air compressor plus booster combined unit for air separation internal compression process, as well as air/nitrogen mid-pressurecompression in chemical plants.
　　 As the only sales window for SER overseas market, SERGAS is responsible for the overseas distribution and contracting service of all SER compressor products.