Plastic Valve, Plastic Fittings, Plastic Pipes manufacturer / supplier in China, offering UPVC Plastic Electric Actuator Butterfly Valve Chemical Industry, 1/2" to 4" Inch Low Torque PVC Two Piece Ball Valve with Socket or Threaded End, 2/6/4/8/12 Inch Flange Plastic PVC Water Knife Gate Valve with EPDM Seal for Sewage and Slurry and so on.