It intended the vibrating, leakage, infiltrate, thunder and attack.more than 30 kinds of color choice Producs specification :1220×2440×31220×2440×4 It can be used for interior wall and exterior wall. The products are used for the building wall, airport,port,bus station,subway,supermarket,guesthouse and office. It adopt high quality aluminium and engineer plastic materials. Has perfect surface and ...