... 1. Design, processing of building's steel construction and space net rack construction. 2. Main Steel Frame 3. The Cladding We can ... manufacuture, welding beam, column, C,Z -shape purlin.Steel Structure:Specs: Steel frames: Q235, Q345, etc.Roof and Wall Panels ... Flexible layout, beautiful appearances, and higher space efficiency 5) Steel structure workshop Can be used as warehouses, workshops, shopping ...