Steel Pipe, Aluminum Coil, Galvanized Steel Coil manufacturer / supplier in China, offering ASTM A36 Ss400 Q235 Q345 S235jr Ss355jr Hot Rolled Welding/Forged Structural Steel Profiles Equal/Unequal Carbon Steel Channel, High Quality Iron Steel H Beams Hot Rolled Steel H-Beams for Building Materials 250 X 125 with Grade Q235B Q345b, Beam Steel/JIS Ss400 Ss400+B H Beam/Cr Q235B A36 Q345b Grade Steel H Beam and so on.