Located in Yibin,the first city on the Yangtse Rive, Sichuan Huaqing Mechanism Co.,Ltd.（called Sichuan Changqing Mechanism Factory）was founded in 1965,belonging to Chinese Southern Industry Group. Occupying an area of 900 Mu, with 4300 staff, the company possesses the independent imp/exp right in electromechanical products and is a important base for the manufacturing and researching of special ensgineering goods. 　　The main business of the company is special engineering goods. 　　In 1970s,making use of professional technology and superfluous throughput to set foot in the research of civil products and we have successively research spanking tightener, refrigerator, chain and auto transmission shaft triumphantly.