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