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