... Shape Steel4Roof BeamC Shape Steel5Connection PlateSteel6Edge CoveringSteel Plate7WallSandwich Panel, optional8FlooringPlywood+Vinyl Flooring/Laminate Flooring, optional9RoofCorrugated Sandwich Panel, optional10DoorSandwich Panel with aluminum ... Instant House in a box Process Flow Good Quality,Nice Design,Comfortable Prefabricated House,Prefab House, Low-cost House, Instant Hou ...