Color Steel Coil 1.ISO:9001,2000 2.Thickness:0.2- ... construction.Construction industry(outdoor): Workshop, agricultural warehouse, prefabricated part for house, corrugated roof, wall, storm sewer conduit, balcony fence, newsstand, ... roller shutter door.Construction industry(indoor): Door, door case, lightweight steel of house, screen, ceiling, elevator, staircase and ventilating duct.Appliance: ...