Using high purity, with different doses of yttrium oxide (3 moles, 5 moles, 8 moles etc.) and special fusion manufacturing process, yttria-stabilized zirconia is used for the manufacture of zirconia refractories, filling material for induction furnace insulation layer; casting titanium alloy coating material, zirconia products, aluminum plate surface spraying, plasma spraying, and oxygen permeable membrane ceramic ring, etc. Plasma spraying Cast shell material