Malleable Iron Pipe Fittings, Grooved Fittings, Butt Weld Pipe Fittings manufacturer / supplier in China, offering DIN3352/DIN3202 F4 Ductile Iron Flanged Pn10/Pn16 Metal Seated Gate Valve, China-Manufacturer-Factory-Price UL/FM Approved ASTM/En10242 Galvanized Malleable Iron Gi Plumbing Fittings, En10241 Galvanised Wrought Steel Fittings Sch40/Sch80/Sch160 Hexagon Plug and so on.