... steel beam We can provide steel structure contract,fabricate and design for steel structure plant, workshop,warehouse,steel structure office building, prefabricated house,steel ... processing PU sandwich board, steel roof tile,EPS panel, H-beam,Z-beam,steel column, girder and purlin etc ... load, etc 4.Insulation material :sandwich panel or steel sheet5.Crane beam: do you need crane beam inside the steel ...