Professor, Vice President and Doctoral Supervisor of School of Materials Science and Engineering, China Geo University (Beijing). Director of Special Ceramics Branch of China Silicate Society, special expert of National Committee for Examination and Approval of Materials Science and Technology Terminology, Deputy Secretary-General of the Organizing Committee of the 5th China International Symposium on Advanced Ceramics, Editorial Board of Refractory Material magazine, evaluation expert members of relevant national ministries and commissions and some provinces and cities in mineral materials and their composite materials, high-temperature industrial technology, energy conservation and emission reduction and environmental protection, American Ceramic Society and American Iron and Steel Association; Amp steel technical member.