... advanced ceramic are applicated in sealing material , mechanical system, firing equipment and refreactory.We can machinging ceramic rods, ceramic plunger, ceramic ring, ceramic insulated gasket, ceramic nozzle, ceramic pole ... Al2O3, ZrO2,SiC, Si3N4 material .Specification Zirconia ceramic are applicated as shaft bearing ,plunger,sealing matetial and knife, with high density, hardess ...