... , white gray, blue and red3MoudleSingle slope or double slopes4Window materialPlastic steel or aluminum, swing or slidding5DoorEPS ... tools: plugs and screw.4. Firm structure: the warehouse adopts steel frame structure and sandwich panels.5. Waterproof: ... be the Carrefour in supplying the steel structure plant,Steel structure prefabricated building, steel warehouse, prefabricated house, ...