Customized Metal Parts, Welding Parts, Weathering Steel Plate manufacturer / supplier in China, offering H Beam ASTM A36 A992 Hot Rolled Welding Universal Beam Q235B Q345b I Beam Channel Steel Galvanized H Steel Structure Steel, Q235/Q345 Welded Steel H Beam for Building Construction ASTM A36 Standard Structural Steel Beams Custom Sizes, Lightweight Steel Structure Assembly & Professional Metal Welding and so on.