1993.07—— 1994.07, trainee worker in ethylene oxide workshop of calcium carbide plant of Jilin Chemical Company.
1994.07—— 1997.07, technician of air separation workshop of calcium carbide plant of Jilin Chemical Company.
1997.07—— 1999.09, deputy director of air separation workshop of calcium carbide plant of Jilin Chemical Company.
1999.09 —— July 2000, deputy director of production scheduling department of calcium carbide plant of China Petroleum Jilin Petrochemical Company.
2000.07——200 1.09, Deputy Director of Calcium Carbide Factory of China Petroleum Jilin Petrochemical Company.
2001.09 —— June 2003, Director and Party Secretary of Ethylene Glycol Plant of China Petroleum Jilin Petrochemical Company.
From June, 2003 to March, 2005, Director of Shuangben Plant of China Petroleum Jilin Petrochemical Company (studied in Dalian University of Technology from September, 2002 to April, 2005 with a master's degree in engineering).
2005.03—2006.02, Assistant Mayor of Jilin City (temporary post)
2006.02—2006.08, Assistant Mayor of Jilin, Deputy Director of Management Committee of Jilin Economic and Technological Development Zone and Deputy Secretary of Party Working Committee.
2006.08—2009.03, Assistant Mayor of Jilin City, Director of Management Committee of Jilin Economic and Technological Development Zone, and Secretary of Party Working Committee.
2009.03—2010.12, Deputy Director of Jilin Provincial Development and Reform Commission (bureau level).
2010.12 —— 2016.02, deputy mayor of Songyuan municipal government.
20 16.02—— Standing Committee member and executive deputy mayor of Songyuan Municipal Committee.