1.Zirconium oxide could be used in high strength, tenacity and abrasion goods, like mill liner, cutting tool, wire-drawing die, thermal extrusion die, jet, valve, ball, pump parts, sliding parts etc. 2. Zirconium oxide is widely used in functional ceramics, structural ceramics, electronic ceramics, biological ceramics etc. 3. Zirconium oxide for piezoelectric element, bulk capacitor 4. Zirconium oxide for artificial gemstone, abrasive material 5. Zirconium oxide could be used as refractory materials in molten glass and metallurgy etc.