Many different design and color Advantage 1).Environment protection product: Adopting natural gypsum material without any harmful material. 2).Heat retaining power 3).Sound insulating 4).Small expansion: Little coefficient of expansion, deforming under normal temperature. 5).Light weight 6).Special breathing performance, comfortable to live in. 7).Unken proof. .non-dust, Easy clean. .good light reflection. Corrosion z
