... light series and heavy series 4.have kind of pipe fitting and come from our factory All Kinds Malleable Iron ... : light or heavyFinish: galvanized or blackStandard: ANSI BS DINPackage: Bag, cartons, pallets as buyer's demandWe are manufacture of pipe ... socket, cap, plug, nut, flange, union, bushing, cross,welding pipe fitting,carbon steelEvery product pass serious test as relevant standard for ...