Carbon Steel Product, Steel Rebar, Galvanized Steel Products manufacturer / supplier in China, offering for Sale Customized Structural Steel 6m 12m 18m Q235B Q355b ASTM A572 Heb180 Carbon Steel H-Beam, SAE1010 Customized Cold Rolled Galvanized Black Square Tube 309*30*1.5mm Hot Dipped Square Galvanized Steel Tube, Prime Hot Rolled Steel Gsxr Srad Heavy Duty H-Beam Structure for Steel Building and so on.