Ductile Iron Pipe, Ductile Iron Pipe Fittings, Valve manufacturer / supplier in China, offering High Quality Cast Ductile Iron Soft Sealing Lever Operated Wafer Type Manual Butterfly Valve, Water Media Manual Power Handle Lever Class 125 Cast Iron or Ductile Iron FF Flanged Ball Valve, Blue Epoxy Coated Mechanical ISO 2531 En545 Ductile Cast Iron Gibault Joint for PVC Pipe and so on.