... Zirconia Ceramic, Silicon nitride Ceramic, Alumina Ceramic, etc.The quality system has passed SGS ISO9001:2008, and ISO 14001:2004.JINGANG structure ceramic includes Al2O3, ZrO2,SiC, Si3N4 material ... system, firing equipment and refreactory.We can machinging ceramic rods, ceramic plunger, ceramic ring, ceramic insulated gasket, ceramic nozzle, ceramic pole, etc.Advantage:1. wear-resistanting,2. ...