1970.11——1985.07, workshop director and assistant director of machinery factory in Xincheng county, Hebei province;

1985.07 ——1987.12, Deputy Secretary of the Party Committee and Deputy Director of Hebei Xincheng Machinery Factory;

1987.12 ——1989.05, deputy director of Xincheng county electric power bureau, Hebei province;

1989.05—— 1992.07, Director and Secretary of Xincheng County Electric Power Bureau, Hebei Province;

1992.07—— 1992.09, deputy magistrate of Xincheng county, Hebei province;

1992.09—— 1993.04, member of the Standing Committee of Xincheng County Committee, Hebei Province, and executive deputy county magistrate;

1993.04—— 1996.08, member of the Standing Committee of Gaobeidian Municipal Committee, executive deputy mayor (during this period: 1993.09—— 1996.07, majoring in economic management at Correspondence College of Party and Government Cadres of Provincial Party School);

1996.08—— 1998.02, member of the Standing Committee of Dingzhou Municipal Committee and executive deputy mayor;

1998.02 —— 2001.01,deputy secretary of Dingzhou Municipal Committee and mayor (1996.09—— 1998.07, majoring in business economic management, Department of Finance, Trade and Economics, Graduate School of Chinese Academy of Social Sciences);

200 1.0 1——2003.03, secretary of Dingzhou Municipal Committee;

2003.03—2003.04, deputy mayor of Qinhuangdao Municipal People's Government, member of the party group;

2003.04—2004.02, deputy mayor of Qinhuangdao Municipal People's Government, member of party group, secretary of enterprise working committee of municipal party committee;

2004.02—2007.0 1, deputy mayor of Qinhuangdao Municipal People's Government, member of the party group;

2007.0 1——, Deputy Mayor of Qinhuangdao Municipal People's Government, member of the Party Group, First Deputy Secretary of the Political and Legal Committee of the Municipal Party Committee.