... ISO 14001:2004.JINGANG structure ceramic includes Al2O3, ZrO2,SiC, Si3N4 material . These advanced ceramic are applicated in ... refreactory.We can machinging ceramic rods, ceramic plunger, ceramic ring, ceramic insulated gasket, ceramic nozzle, ceramic pole, etc ... . oxidation resistance JINGANG structure ceramic includes Al2O3, ZrO2,SiC, Si3N4 material .Specification Zirconia ceramic are applicated as ...