1991.7-1995.8 Shanghai Research Institute of China State Shipbuilding Corporation.
1995.9- 1996.3 department of mechanical engineering, Japanese Saga University.
1996.4- 1998.3 department of mechanical engineering, Saga University.
1998.4-200 1.3 Dr. department of mechanical engineering, Saga University.
200 1.4-200 1.5 Visiting Researcher, Saga University, Japan
200 1.6- Currently School of Materials Science and Engineering, Shanghai Jiaotong University