Customized Metal Parts, Welding Parts, Weathering Steel Plate manufacturer / supplier in China, offering Customized Light Weight Steel Beam / Truss / Purlin /Roof Light Gauge Steel Shed Low Cost Prefab Warehouse Carport, Large Span Metal Work Welding Connection Prefabricated Steel Structure Warehouse Factory Building, High Strength Q235/Q235B Steel H Beam Structure Metal Structural Construction Material and so on.