... Raw Material:Galvanized(Zinc Coated) Steel2. Application: Interior partition wall, veneering wall or suspended ceiling of hotels, theaters, emporiums, factories, office, house, airplane ... - resistant and its Zinc Coating has no defects of peeling, bumping or shedding.(3)Easy and stable installation ... (mm)Height(mm)QU5050customization0.530/30 Lightweight Ceiling Steel Keel & Partition Wall Steel Keel