Electric Valves, Pneumatic Valves, Control Valve manufacturer / supplier in China, offering 220V 1-1/2inch Thread Stainless Steel 304 Electric Ball Valve DN15/DN20/DN25 Electric Motorized Thread Ball Valve 2 Way, Advanced Electric Rotary Actuator for on/off Valve Control, Ss Electric Control Thread Ball Valve 3piece Stainless Steel Electric Actuator Valve and so on.