In April of 1989, approved by Ministry of Machinery and Electronics and Ministry of Civil Affairs of the People's Republic of China, China General Machinery Industry Association was registered and enrolled as national entity with social legal person identity.Members of CGMA include of enterprises, institutes, universities，social organizations，and a few individuals in the general machinery industry（including：pump, blower , compressor, valve, gas separation equipment, separation machinery, gas cleaning equipment, reducer，vacuum equipment, drying equipment, gas purification equipment, cooling equipment, energy recovery equipment） and supporting industries. Meanwhile, we also regularly cooperate with international industry organizations and enterprises and make internaitonal business visits.