Gypsum board has features as a novel structure, perfective performance, unique design, different surfaces, and elegant installed wholly affection. The advantages are fireproof, waterproof, mould proof, soundproof, dirty proof, green, antistatic, no sunken, no deformation and so on. In the same time, the products are widely applied in hotel, hospital, school, office building, market, computer room, preparation room, and purification plant and so on. Therefore, the gypsum board has been the ideal choice among the ceiling decoration.