Inorganic fireproof boards are mainly used for fire protection and fire separation of cables laid on supports or cable trays, and are widely applied in cable engineering for proofing and flame retardancy in cable-dense areas such as various domestic power plants, chemical enterprises, iron and steel smelting enterprises, and mines. They are also the best fireproof flame-retardant materials for indoor decoration fireproofing and flame retardancy projects in public places such as large shopping malls, hotels, guesthouses, cultural and sports venues, enclosed clothing markets, light industry markets, and cinemas.