... 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 ... fading-proofing, ametabolic and so on have already been used in lots of offices, supermarkets, departments and other ...