... , ASTM,,JIS , DIN , EN, Material: Carbon steel, alloy steel, stainless steel Connection: Butt-welding,forged fitting Applications rang: such as ... electric power, boiler, machinery, metallurgy, sanitary construction etc. Quality: ISO9001 : ISO2000-Quality-System has been passed . Packaging: Wooden cases ,wooden ... available according to requirement Fittings pipe and hot dipped galvanized steel pipe