High-quality bauxite products, after dealing with ultra-fine grinding, high temperature spray granulation, molding HIP. Can be widely used in ceramics, oil, fine chemicals, building materials, metallurgy, machinery, electronics and many other fields, with hardness, the proportion of high, high temperature performance and mechanical strength, and on non-polluting materials, the advantages of good wear resistance is currently on the market price of the highest body of the grinding.