... /2''~8'' DN15~DN200 steelgalvanized steel pipe is widely use as fluid pipe, gas pipe or bridge, building constructions. Product namesteelMaterialQ235, 16ZMn, 20#TypeERWWT1 ... Anxingda Import & Export Co., Co., LtdAddress: 15/F of Haitai building, No.6., Meiyuan Road, Huayuan Technology Park, Tianjin, ChinaWebsite: anxingda ...