The annual World Circle Meeting will finally be staged in Shanghai National Convention and Exhibition Center (Hongqiao) from August 31 to September 2, 2020. The exhibition covers the Shanghai International Water Show, Shanghai International Pump, Pipe and Valve Exhibition, Shanghai International Solid Waste Gas Exhibition, Shanghai International Smart Environmental Exhibition, Shanghai International Air and Fresh Air Exhibition, Shanghai International Architecture and Water Exhibition and Shanghai International Comfortable Home Exhibition 7 major themed exhibitions, not only It has gathered 3,...