... ceramic, such as 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 . These advanced ceramic are applicated ... 3. corrosion resistance4. oxidation resistanceSpecification Zirconia ceramic are applicated as shaft bearing , ...