... high strength, freeze-proof, water-proof, fiber-proof, sound-proof and non- deformation. Used as ceiling, partition and ... factory, warehouse, apartment building, hospital, theater and station etc. The size600x600x5mm-6mmMaterials: Tobermorite, cement, Quartz sand, reinforced fiberFire-proof ... board to many countries, and each year the output of the plywood is about100,000 cubic meters. Most ...