Shanghai Beisite Automation Technology Co., Ltd., referred to as BEST Automatic Control Valve Industry, is an enterprise that specializes in providing domestic valves to replace imported automatic control valves. Its products include solenoid valves, electric valves (electric ball valves, electric butterfly valves, etc.), pneumatic valves (pneumatic angle seat valves, pneumatic ball valves, pneumatic butterfly valves, etc.), regulating valves, safety valves, etc. It is a supplier of automatic control valves for the spray cooling system of the 2010 Shanghai World Expo, a supplier of automatic control valves for 12 years for solenoid valves for high-speed rail boilers and dining car water supply and drainage, a supplier of 15 years for aluminum foil production lines in the electronic aluminum foil industry, a supplier of 12 years for automatic control valves for oil-water separation devices in the shipbuilding industry, a supplier of automatic control valves for ballast water treatment equipment, a supplier of gas boilers, and domestic sewage Processing equipment and other environmental protection industry suppliers for many years.