Customized Metal Parts, Welding Parts, Weathering Steel Plate manufacturer / supplier in China, offering High Quality Q235B/Q345b Welded H Section Steel Beams for Industrial Warehouse Steel Structure Frameworks, Custom High-Strength H Section Steel Beams for Modular House Construction Easy Installation, Customized Hot Rolled Welded H Steel Beams for Large Span Roof Structures OEM/ODM Service and so on.