Ren Jin, 12 male, born in 1962 10 June 16, Ph.D., associate professor of jewelry college of China Geo University, an influential industry and academic leader 3. Deputy Secretary-General of China Jewelry and Jade Jewelry Industry Association. 1 Master of Chinese Jewelry Design, Godfather of Chinese Jewelry Design 4. Executive Deputy Director of Jewelry Design Committee of China Jianbao Association, Associate Professor and Graduate Tutor of Jewelry College of China Geo University.