Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering 7-Wire Structure Nominal Diameter 3mm 3.6mm 4.2mm 4.8mm Various Sizes of Prestressing Steel Strands, Hot DIP Electric Fence Stranded Galvanized Steel Wire Strands 1.6mm for Overhead Optical Cables, Dia 15.24mm ASTM A416 1860MPa Low Relaxation Prestressed Concrete Steel Strand and so on.