... and clean 3,fireproof,anti-rust,sound absorbing 4,mirror surface 5,ISO certificate aluminum ceiling,metal ceiling board,aluminum clip in ... yearsFeatureEasy install and disassemble,simple structure,good adhesion,anti-corrosion, fireproof,waterproof,rust proof,weather resistance,easy cleaning,sound absorbing, heat ... hall,airport and so on clip in suspended aluminum ceiling board 300x300mm