Steel Pipe and Fitting, Valve, Manhole Cover manufacturer / supplier in China, offering Tap Clamp with Ss Stainless Steel Bend for Ductile Cast Iron Pipe/Steel Pipe/Plastic PVC Pipe, Dn400 Pn16 Double Flanged Ductile Cast Iron Di Ball Valve for Drinking Water, DIN4056 Round Black Ductile Cast Iron Surface Box and so on.