Square ceilings are widely used in office buildings, shopping malls, railway stations, airports, large clubs, etc. due to their many styles, good overall plane effect, simple and beautiful lines, and convenient installation. The sound insulation coefficient is as high as 0.5-0.82as, and the composition is exquisite, suitable for venues and shopping malls. Fire-resistant as Class A non-combustible material. The surface is beautiful, elegant, high precision, and the decorative effect is comparable to similar products in the world. No harmful gas and harmful substance, harmless to human body. Waterproof, extremely moisture-proof, washable without discoloration and deformation. Convenient installation, sawing and cutting, simple decoration and convenient maintenance.