Fiber cement board refers to a board made of cement as the basic material and adhesive, mineral fiber cement and other fibers as reinforcing materials, and processed through processes such as pulping, molding, and curing. Fiber cement boards are used in various domestic power generation Fireproof and flame retardant for cable engineering in places where electricity bills are intensive, such as factories and chemical companies. It is also the best fire-retardant and flame-retardant material for interior decoration fire-retardant projects in large shopping malls, hotels, hotels, document halls, closed clothing markets, light industry markets, theaters and other public places