Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering En545 Ductile Iron Universal Flange Adaptor for PVC or Cast Iron Pipe, ISO2531 En545 En598 Ductile Iron Pipe Fitting Double Socket Taper, Standard En545 or Customized Ductile Cast Iron Pipe Fittings Flanged Joint Adaptor Water Pipe Fitting and so on.