Malleable Iron Pipe Fittings, Grooved Pipe Fittings, Pipe Hangers manufacturer / supplier in China, offering Red Paint Ductile Iron ASTM A536 Grooved Reducing Tee, BSPT or NPT Thread Malleable Iron Brass Seat Union Use for Fire Fighting System, Gi Fittings 90 Degree Bend Galvanized Malleable Iron Pipe Fitting Female in Fire Fighting System and so on.