1984.07-1985.10 technicians and clerks in the production department of Dongying Vegetable Company.
1985.10-1986.03 Deputy Director of Dongying Commercial Bureau Office.
1986.03-1988.06 Deputy Chief, Science and Technology Management Section, Dongying Municipal Science and Technology Commission.
1988.06-1993.04 Chief of Planning Section of Dongying Science and Technology Commission.
1993.04-1997.08 deputy director of Dongying science and technology commission.
1997.08-1999.11Director of Dongying Science and Technology Committee.
1999.11-2001.04 Assistant to the mayor of Dongying, member of the party group of the municipal government, director of the municipal science and technology commission, director of the municipal investment promotion bureau, and executive deputy director of the municipal investment promotion office.
200 1.04―2003.04 Assistant to the mayor of Dongying City, member of the party group of the municipal government, director of the municipal investment promotion bureau, and executive deputy director of the municipal investment promotion office. (1999.09―200 1.07 studied management science and engineering in School of Management, University of Petroleum (East China) and obtained a master's degree in management).
2003.04-2004.05 Assistant to the mayor of Dongying City, member of the party group of the municipal government, director of the Municipal Investment Promotion Bureau and director of the Municipal Investment Promotion Office.
2004.05-2007.11Assistant to the mayor of Dongying City, member of the party group of the municipal government, secretary of the Party Working Committee of Dongying Economic Development Zone and director of the management committee. (200 1.07―2003.07, majoring in geochemistry, Guangzhou Institute of Geochemistry, China Academy of Sciences, with a doctorate in science).
2007.11—2010.12 Vice Mayor of Weifang and member of the Party Group of the Municipal Government.
2010.12—2016.03 Standing Committee of Weifang Municipal Committee and Minister of Propaganda Department.
20 16.03 —— Member of the Standing Committee of Weifang Municipal Committee, Minister of Propaganda Department and Secretary of the Party Working Committee of High-tech Zone.