Steels manufacturer / supplier in China, offering ASTM A36 A572 Q345b Ss400. S355jr Galvanized, Painted Hot Rolled I-Beam Structural H-Beam, 2b/Ba/No. 1/No. 4/Hl/8K Ss Coil Cold Rolled/Hot Rolled 201 304 316 309S 310S 321 430 904L Stainless Steel Coil, Q235B Q345b ASTM A36 Hot Rolled Carbon Steel H-Beam General Purpose Beam Structural Steel for Engineering and Construction and so on.