1982- 1985, department of mechanical engineering, Tsinghua University, Master of Engineering.
1978- 1982, Bachelor of Engineering, Beijing Institute of Aeronautics and Astronautics, 20 10.02-, Vice President of Yangtze River Delta Research Institute, Tsinghua, Zhejiang.
2005.10-2009.438+00, President of Qinghai University.
1999-2005.9, department of mechanical engineering, Tsinghua University.
1994-, Professor department of mechanical engineering of Tsinghua University, doctoral supervisor.
1973. 10, Vice President of Yangtze River Delta Research Institute, Tsinghua, Zhejiang,
Vice President of International Welding Society (IIW),
Vice Chairman and Director of Technical Committee of China Welding Society,
Senior member of China Mechanical Engineering Society,
Deputy Director of Welding Branch of China Military Engineering Society,
Member of Robotics Branch of China Automation Society,
Editors of academic journals such as Journal of Welding, Electric Welding Machine and Welding, and China Welding Yearbook, etc.