SMS-TORK Industrial Control Valves Co Ltd is a manufacturer company which was established in 1985. Our main products are: Solenoid Valves, natural gas manual reset solenoid valves, filter, regulators Pulse Solenoid Valves for dust bag filters and bunkers Rotary rack and pinion Pneumatic Actuators Pneumatic Angle Seat stainless steel Piston Valves Limit Switch Boxes Electro-pneumatic positioners Rotary Quarter Turn Electric Actuators Actuated ball valves, butterfly valves, For details, we kindly advise you to visit our website (www.sms-tork.com).