High Quality Rond Tube Galvanized From Tianjin China TIANJIN BAOLF STEEL CO., LIMITED Base Info Usage:Pipeline Transport, Oil,Gas Drilling, Machinery Industry, Construction & DecorationMaterial:Carbon SteelSurface Treatment:GalvanizedTechnique:ERWType:WeldedSection Shape:RoundOrigin:China Description Pre:SS304 310S Sheet Cold Hot Rolled Stainless Steel Plate Next:PPGI/HDG/Gi Dx51 Zinc Cold Rolled/Hot Dipped Galvanized Steel Coil