Zirconium aluminum composite ball is a kind of grinding ball developed in China. It is mainly used in the grinding of glaze or super-white brick blank in ceramic industry. The density of zirconium-aluminum composite ball is 3.30g/cm3 and the aluminum content is about 80%. It is consist of specific calcined alumina powder, a certain amount of zirconium-containing powder and other raw materials. After grinding to a certain fineness by a ball mill, then spray granulated and pressed and formed by isostatic pressing machines, which is calcined at high temperature in a tunnel kiln. Its appearance provides customers with more choices in pursuit of high grinding cost performance and enriches the ceramic grinding ball product line.