1976.12-1978.12 workers of the third team of the provincial bureau of geology and mineral resources; 1978.12-1982.07 Students from the Provincial Geological Workers College; 1982.07-1983.10 Technician of Team 3 of Provincial Bureau of Geology and Mineral Resources; 1983.10-1987.09 Member of the Standing Committee of the Youth League Committee of the Provincial Bureau of Geology and Mineral Resources, Secretary of the Youth League Committee of Sanshui Team of the Provincial Bureau of Geology and Mineral Resources, and manager of the service company; 1987.09- 1990.05 Vice President of Technical School of Provincial Bureau of Geology and Mineral Resources (presiding); 1990.05- 1992.02, vice captain of the Third Water Resources Team of the Provincial Bureau of Geology and Mineral Resources; 1992.02-1993.12 vice president of lunan engineering survey institute, provincial bureau of geology and mineral resources; 1993.12-1996.01Dean and Party Secretary of Lunan Engineering Investigation Institute of Provincial Bureau of Geology and Mineral Resources; 1996.01-1996.12 general manager of provincial geological engineering corporation (during this period:1996.09-1998.12 worked as an amateur undergraduate in the Party School of the provincial party committee. 1996.12-1998.02 vice chairman of provincial geology and mineral engineering group and director of survey and construction department of provincial geology and mineral resources bureau; /kloc-0 1998.02--2000.08 Chairman and General Manager of Provincial Geology and Mineral Industry Co., Ltd. (during this period:/kloc-0 1999.09--2002.06, majoring in economic management in the graduate class of the Party School of the Provincial Party Committee); 2000.08-2006.12 Deputy Director and Member of the Party Committee of the Bureau of Geology and Mineral Exploration and Development of the Province (during the period: studied in China Geo University from September 2003 to June 2006); 2006.12-2008.01Member of the Standing Committee of Liaocheng Municipal Committee, Vice Mayor and Government Party Group (during this period: engaged in postdoctoral research in applied economics in Peking University from June 2007 to February 2009, and completed scientific research tasks during his tenure); 2008.0 1-20 10.09 Member of the Standing Committee and Secretary General of Liaocheng Municipal Committee; 2010.09-2014.4 Member of the Standing Committee of Liaocheng Municipal Committee and Secretary of the Municipal Commission for Discipline Inspection. 20 14.04—— Leader of the Second Inspection Team of Shandong Provincial Committee.