Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering Ductile Iron Flange Adapter with Pn10/16 Coupling for Ductile Iron Pipe Fitting, as Customized Ductile Iron Pipe Fittings with Pn15/25/40 for PVC Pipes for Water System, Water Aqua Ductile Iron Pipe Fitting En545 ISO2531 with Wras and so on.