The grinding balls is kind of fine grinding body for shaped mill, vibration mill crushing equipment etc. It has advantages on high hardness, intensive volume density, corrosion resistance etc. Its crushing efficiency and wear capacity are much better than normal ball stone or natural pebble stone. It is widely used in industry of ceramic, glass, enamel, paint, chemical and other industries. Aluminum balls, aluminum balls stone choose good-quality raw material stone and are manual formed in above three times during raw materials, technology, processes, and in forming aluminum balls, aluminum balls of stone.