It has chemical stability such as beautiful appearance, durability, various colors, easy to use, easy to open, heat preservation and heat insulation, noise reduction and sound insulation, acid and alkali resistance, corrosion resistance and so on. Easy to clean, not easy to change color. Easy and fast installation, long service life and easy maintenance. It has been widely used in supermarkets, shopping malls, chain hotels, fast food restaurants and other areas for thermal insulation, sand prevention, dust prevention, shielding and isolation applications.