Structure Steel Fabrication, Steel Structures Construction, Metal Warehouse manufacturer / supplier in China, offering Weathering Carbon Steel Corten-a Plates Anti-Corrosion Patina for Qutdoor Structures, High-Strength Q345b Carbon Steel Columns Yield 345MPa + CE Certification, Fire-Rated Steel Door Profiles for Commercial Buildings EL 60 Certification & Smoke Sealintegration and so on.