black/galvanized chinese fittings Certificate:ISO ,BSI Surface:Black and Galvanized OUR PRODUCTS RANGE MaterialMalleable casting iron StandardBS(EN10242) standard,ISO49/ISO5922/ISO7/4DIN(EN10242) standard,DIN2950/1692/2999ANSI standard, ASTM B16.3/B16.14/B16.39/B1.20.1ThreadedISO7/1, DIN2999, NPTModelsBanded with or without ribs, Beaded with or without ribs, PlainSpecificationBends, Elbow, Tee, ...