Electric Butterfly Valve, Electric Ball Valve, Electric Control Valve manufacturer / supplier in China, offering DN50 Stainless Steel Flange Type Swirl Flow Meter for Nitrogen Gas, 20nm Torque Electric Actuator for High Pressure Ball Valve Stainless Steel Motorized Actuator Valve, Stem Direct-Connected Electric Actuator with Motorized Valve for Ea Series in Industry Application and so on.