1.Galvanized Steel 2.Type:Metal Ceiling Spare Parts 3.Best quality 4.Delivery fast& ... Material:Galvanized(Zinc Coated) Steel.3. Application:Interior decorative ceiling of hotels, theaters, emporiums, factories, office, house,airplane-terminal buildings, bus ... proofing and corrosion resistant.(2)Fireproof: it's made of steel.(3)New-type earth-friendly products: galvanized steel-no radiation, not ...