pvc gypsum ceiling,pvc boards 1,soundproof,fireproof,waterproof 2,light weigth,easy to install,clear 3,widely used,best price pvc gypsum ceiling, decorative pvc panels for indoor decoration1,widely used for indoor decoration,2,waterproof,fireproof,soundproof3,easy to install and clear. Shape of the pvc panels : Surface is flat With a groove in the middle With wave on the back of the panels ...