Product Description Specifications , Materials: High quality 1100 aluminum alloy or galvanized steel. 2, Surface finish: Outdoor polyester powder coating. 3, Surface style:Non-perforated. 4, Size: 30mm,50mm alaviable for your order. 5, Edge type 6, Total panel thickness: Ranging from 0.40 to 1.5mm 7, Color patterns: Various color patterns are available as per company color pattern book. 8, Certificates: ISO9001-2000, CE. 9, Others: Customized order available. 10,Packing: Standard carton box. 11, Accessories: Special carrier available. Features: Easy installation Soundproof Elegant decoration, FIreproof Professional manufacturer of metal ceiling,aluminum ceiling panel,cell ceiling and customized ceiling. th ehigh quality galvznized steel meterial imprve the performance of fire-proofing ,anti-rust and ageing resistance.