... color transfer series , laminated series2.high intensity , high strength , not easy to deformation,resis erosion, mothproof , sound insulation , waterproof , fireproof , ... Wall partitioning and ceiling conversion4. Places where high sanitary and easy maintenance is required including factories, schools, child care centres, ... , Sound-Absorbing , Soundproof , Waterproof pvc ceiling board (ISO 9001 2008)