Plastic Valve, Plastic Fittings, Plastic Pipes manufacturer / supplier in China, offering 20mm-110mm/1/2"-4" DIN/ASTM Standard OEM Factory Supply Plastic Single & Double Union Ball Valve Socket or Threaded PVC Ball Valve/Union Ball Valve, HDPE Pipes Bf/Ef Fittings SDR11/PE100 HDPE Pipe and Fitting with German Industrial DIN Standards for Irrigation Piping System, Wholesale UPVC/PVC Two Piece Plastic Ball Valve 1/2"-4" DN15-DN100 Socket Thread PVC Ball Valvula for Water Supply and so on.