3D wallpaper can also be called 3D background wall. It is a new type of decorative material. This product is widely used in aerospace industry products, with light texture and high density of new nano-composite ceramic materials, mica and activated carbon. The substrate, using the latest surface active treatment technology and photoinitiated technology, combined with China’s traditional ceramic technology and relief painting art, is made through high-temperature polymerization and advanced composite technology. The entire production process uses a full set of imported machinery and equipment through raw material ratio, molding, and It consists of 26 processes including air, polishing, and coloring. The product has the characteristics of sound insulation, temperature insulation, noise reduction, clean air, and radiation protection. The 3D background wall can be assembled and changed at will according to personal preferences like a Rubik's Cube, which is very popular among consumers!