Customized Metal Parts, Welding Parts, Weathering Steel Plate manufacturer / supplier in China, offering Customized Heavy Steel Frame Structure for Multi-Story Office Buildings with Fireproof Coating and Earthquake Resistance Design, Hot Rolled H Section Steel Beam Column for High-Rise Commercial Building Construction ASTM Standard, Prefabricated High-Quality Q235/Q345 Steel Structure Warehouse Workshop Building with CE Certification for Industrial Construction and so on.