... ,checkered sheet ,one -bar .three-bar, five-barMain application :checkered plate is widerly used for ceiling board ,elevator floor , decoration materials ... .packing :waterproof paper cover the surface ,wood pallet Aluminium sheet(plate)1)Alloy:1050 1060 1070 1100 3003 3004 5052 5754 ... ,aluminium sheets for cable channel, electrical manufacture,etc. 1050 Aluminium plate