Material: special grade of gypsum (whiteness: >90 degree, breaking strength: 2.7MPa/2 hours, no impurity) 1)Finish: drying by oven. Smooth surface, clear flower pattern, obvious three-dimension effect, high strength, and excellent constructive performance. It is fireproof, mildew and worm resistant, moisture proof, and sound and heat insulated. It can be processed by sawing, digging, nailing, ...