Hot Rolled (HR), Cold Rolled (CR), Galvanized Iron (GI) manufacturer / supplier in China, offering Q345 Q345b Q355 Q355b Hr Hot Rolled Carbon Structural Steel Coil, ASTM A36 Q235B Q195b Hot Rolled Low Carbon Steel Coil, ASTM A653 Hot DIP Galvanized G90 Steel Coils Z275 and so on.