Carbon Steel, Stainless Steel, H Steel manufacturer / supplier in China, offering Roofing Building Material Galvanized Steel Coil Z80 Z90 Z100 Prepainted Galvanized Steel Coil PPGI, 6m 9m 14m Hot Rolled Gr60 40 Y12 HRB400 HRB500 Tmt Steel Bar Low Carbon BS449 B500b DIN488 ASTM Building Material Reinforcing Steel Rebar for Construction, Structural Steel H/I Beam ASTM A992/A36 JIS Ss400 Q235B/Q345b Ipe/Ipn/Hea/Heb Hot Rolled and so on.