1992.7- 1993.7 Japan overseas technician training association (AOTS), Japan sewer design technical training.
1993.7- 1995.4 Shanghai municipal engineering design and research institute, project leader of 4th platoon.
1995.4- 1999.3 Asia Civil Engineering Consulting Co., Ltd. (ACE), project leader of engineering consulting and design.
1999.3-2002.6 Shanghai Municipal Engineering Design and Research Institute, project leader of Paisi Branch.
2002.6-2009.2 Deputy Chief Engineer, Comprehensive Design and Research Institute, Shanghai Municipal Engineering Design and Research Institute.
2009.2- present, Chief Engineer of Comprehensive Design and Research Institute of Shanghai Municipal Engineering Design and Research Institute.