High purity zirconium dioxide, high purity super fine zirconia powder ,yttrium stabilized zirconia super fine powder ,stablized zirconia prilling powder and zirconium ball. Short grain diameter, narrow distributing range ,high activity ,high quality .The conglobation degree of powder materials is low and compactness is good .the shape of prilling substance is roundness or oval.The density of products after applomeration is up to 99% of its theoretical one.Zirconium ball is of high intensity, rigidity, abrasion enduarance and anticorrosion.