From June 28 to June 30, Shanghai Huatong Valve Co., Ltd. introduced melamine valves, wear-resistant valves, multi-function hydraulic control valves and high-performance two-way butterfly valves at the 4th China (Beijing) International Coal Chemical Exhibition New valve products. The company introduced a new energy-saving environmentally friendly products, multi-function control valve not only has cut-off, check back, adjust, eliminate water hammer and other diverse functions, a multi-valve valve, cost savings, and easy maintenance, valve actuation by the transmission medium-driven, Pump automatic interlocking, no external operation; Flanged two-way high-performance sealed butterfly valve has a zero leakage and long life and other characteristics of the original floating valve seat structure to ensure that the two-way seal, completely solve the eccentric butterfly valve can only be one-way seal The problem. These new products have been the focus of attention by merchants. Huatong Valve Company independently developed the "Shanghua" brand anti-crystallization series of valves, high wear-resistant series of valves, two-way sealed high-performance butterfly valves and other new patented products, widely used in petroleum, chemical, metallurgical and pharmaceutical fields, to fill the long-term domestic can not Meet the demand, and exported to Europe and the United States, the Middle East and other international markets (valves, pumps).