... and heavy series 4.have kind of pipe fitting and come from our factory All Kinds Malleable Iron Pipe FittingMaterial: malleable ironSize:1/ ... , cartons, pallets as buyer's demandWe are manufacture of pipe fittings with salf- management export power .Our products have ... cap, plug, nut, flange, union, bushing, cross,welding pipe fitting,carbon steelEvery product pass serious test as relevant standard for ...