Aluminum ball is mainly used for grinding due to the light in mass, high strength, extreme high hardness and high wear resistance, temperature resistance, corrosion resistance. Aluminum ball also has excellent properties, it will not influence the quality of ground materials and has a long service life. Our product can greatly improve the grinding efficiency, reduce the grinding time and increase the effective volume of the ball mill. Excepting for granting, it can also be used in seat belts snd bearings.