This new composite sandwich panels can replace the clay brick, plasterboard and Caigang sandwich panels, and other material, widely used in various types of high-low-rise building wall, the board activities, existing home transformation, decoration and factories, hotels, guest houses and shopping malls such as the partition wall. Ben Pinke for sawing, nailing, shaver, Nien, stickers and other deep-processing, to accelerate the construction speed, lower construction cost.