... film Construction: doors, door flame, housing light steel structure, screen ceiling, elevator, stair, and ventilation stackElectric appliances ... radiator, lamp shade, wardrobe, desk, bed, bookshelfTransportation: interior trim of automobile and train, clapboard container, isolation lair age, ... .featuresBase metal: 0.3mm ~ 1.2mm thickness of cold rolled steel, galvanized steel, or aluminum alloy ...