... Building,Space Frames, Portable Cabins, Tubular Steel Structures,basic building elements(built-up welded H-section , hot-rolled ... , steel beam),standard frames, secondary framing, roof & wall materials, Tempcon (sandwich) panelsSpecificationsprefabricated metal building a) Light weight, easy ... structure to ensure the quality of our steel structure products. 6. All the materials of our steel frame are C ...