Steel Structure, Steel Pipe, Steel Plate manufacturer / supplier in China, offering Seismic Design of H-Shaped Steel and C-Shaped Steel Structure Factory Buildings with a Span of 30 Meters, Industrial Warehouse and Workshop Buildings, Customized Portal Frame Light Steel Warehouse for Large Steel Structure Factory Workshops, Rapid Construction and Installation with Quality Guarantee, High-Strength Q355b Steel Structure Industrial Workshop Fireproof and Anti-Corrosion Large Factory Building Factory Direct Sales and so on.