CGIC is specialized in designing, manufacturing and selling the centrifugal refrigeration and air-condition system, centrifugal compressor, industrial high temperature fan, centrifugal fan/blower , environmental protection complete-set equipment and engineering; wind power turbine blades etc. parts, Class I and Class II pressure vessels.

Since 1960s, CQGI has been undertaking the key national key projects and providing advanced technology ; good quality and reliable large-size equipment for state defence, sicientific investegation station, nuclear power station, iron-steel complex, capital steel company, Jidong cement company and conch group. The products have been awarded so many honours and rewards by nation, ministry, province, committee and municipnity. CQGI provided many products for carrier rocket, missile, communication and sitellite project etc. And got reputation from center, state defence, military committee, commission of science, technology and industry for national defence. CGIC made the great contribution to national economay and state defence modernization construction .