Color Steel Coil 1.Cerficate:ISO:9001 2.Thickness:0 ... door.Construction industry(indoor): Door, door case, lightweight steel of house, screen, ceiling, elevator, staircase and ventilating ... Inner decoration of automobile and train, clapboard, container, wire mesh grating, room separating plate of ship.Other industries: ... typewriter, instrument panel, weight scale and photographic Color Steel Coil