Prefabricated house, movable plank house, movable house, mobile room,container house,Folding House,Living House We can provide steel structure contract,fabricate and ... provide and processing PU sandwich board, steel roof tile,EPS panel, H-beam,Z-beam,steel column, girder and purlin ... : wind speed, snow load, etc4.Insulation material :sandwich panel or steel sheet5.Crane beam: do you need crane beam ...