... Easy to install 3. Fireproof, Insulated, steel structure manufa 1. Prefabricated Steel Structure main components Steel Structure Main ComponentsMain FrameH beamPurlinC or Z section ... Structure,Space Frame,Prefabricated House,Steel Towercolor steel plate , sandwich panel , Profile steel , Floor decking , Corrugated steel sheetProduction Lines9 production lines of light steel,heavy steel ...