Xi'an Qing'an Refrigeration Equipment Stocks Co.Ltd. is set up by Qing'an Group Ltd.Joined with Jiangsu Chunlan Refrigeration Equipment Stocks Co.Ltd., Aviation Technology Export & Import Corporation of China, Peking Branch, and other three corporations. Authorized by the State Economic &Trade Committee ,it officially came into existence in September, 1999. It mainly engages in the exploitation, development and production of air-conditioning compressors.It is located in Xi'an Hi-Tech Industrial Development Zone, with an area of 100 acre. It has the enrolled capital of RMB 137 million, more than 1,000 staff members, two workshops and an academy of research. It also has the ability of annually producing 1.4 million rotor compressors which include those of industrial frequencies ranging from 0.5HP to 2.5HP, of frequency conversion, of single cylinder, and of double cylinder. It keeps and develops the techniques of manufacturing compressors of Qing'an Group Ltd. Meanwhile, it keeps track with the advanced techniques in the world, and takes active part in innovations in management and technology. The technology and the quality of its production reaches the international advanced standard.