Decoration, Sound absorption, Fireproof, Preventing cold and hot, Energy-saving and Insulation Size: 595x595mm, 600x(600-2400)mmThickness: 7-15mm,18mm,20mmManufacturing ProcessBeating,mixing waterline,dropping wastage drying house,painting Water line drying house design cutting painting molding Inspection,package into warehouseMain advantaages of ceiling boardfire resistance damp-proof ...