China General Machinery Industry Association(hereinafter referred to as “CGMA”) is the sole and the most authoritative national industry association of  general machinery manufacturing industry with the fluid machinery as a leading  role, owns over 2000 domestic members, representing main body of china  general machinery manufacturing industry. According to specialized field, CGMA  has the following sub-associations of pump, blower and fan, compressor, valve,  gas separation plant, gas purification equipment, vacuum equipment, energy  recovery equipment, cooling equipment, separation machinery, drying equipment,  variable speed machinery. The headquarter of CGMA has the following business  departments of Comprehensive, HR, International Cooperation, Exhibition,  Information, Science & Technology, Standard & Quality, which can supply overall  professional service to all clients from china and foreign countries at any time.