Relief Features: 1)special grade of gypsum (whiteness 90%, strength 2.7MPa) 2)Fireproofing,dampproof,mothproofing,soundproof Relief Features: A)Gypsum Cornice A1)Fireproofing, dampproof ,mildewproof, mothproofing, soundproof, high strength, easy cutting,easy installation.A2)The gypsum cornice have many different stlys, the white is above 90%,the intensity is above 2.7.A3) Fine quality of more ...