... , fireproofing, heat-preventing, fading-proofing, ametabolic Linyi Pretty Gypsum Building Materials Co., Ltd, is a manufacturer of building ... years. Our main products including PVC Gypsum Boards, Silicate Calcium Boards, Gypsum Board Moulds, Keels, Gypsum Lines and so on have already been ... stood on the top of the world. Linyi Pretty Gypsum Building Materials Com., Ltd welcomes guests from all ...