Electric Valves, Pneumatic Valves, Control Valve manufacturer / supplier in China, offering Electric Wafer Type Butterfly Valve Automatic Electric Actuator Control, Electric Wafer Type PTFE Lined Butterfly Valve with Stainless Steel Plate Soft Seal Ductile Iron Body Water Media for Actuator, Electric Butterfly Valve Wafer Type Stainless /Carbon Steel Flanged DN40-DN450 Butterfly Valve Electric Actuator and so on.