... quality We offer 1000series, 3000series, 5000Series,6000series aluminum coil and aluminum sheet.1) Alloy : 1,3,5 ... five-barMain application :checkered plate is widerly used for ceiling board ,elevator floor , decoration materials ,anti-slip floor ... tank cap,as well as curtain wall board/aluminum curtain board,ceiling board/special-shaped ceiling board,aluminium sheets for cable channel, electrical ...