1983.07- 1989.07 Technician in fully mechanized mining area of Fuli Mine of Hegang Mining Bureau.
1989.07- 1992.06 vice captain and district head of fully mechanized 3rd, 1st and 2nd teams in Fuli Mine of Hegang Mining Bureau.
1992.06- 1997.07 deputy chief engineer of fuli mine, Hegang mining bureau.
1997.07-2000. 12 deputy mine manager of Nanshan mine, Hegang Mining Bureau (period: studied at harbin university of science and technology Graduate School of Business Administration from September 2000 to September 2002).
2000.12-2003.03 Deputy Secretary of the Party Committee and Director of Nanshan Mine of Hekou Mining Group.
2003.03-2003.07 Deputy General Manager of Qi Mei (Group) Company and Director of Safety Supervision Bureau.
2003.07-2006.03 Deputy General Manager of Qi Mei (Group) Company.
2006.03-2009.08 Deputy General Manager and Member of the Party Committee of Jixi Branch of Long Coal Mining Group, and Deputy General Manager and Member of the Party Committee of Jixi Mining Group (during the period: 2005-2007, he studied as a master of mining engineering in Liaoning University of Engineering Technology).
2009.08-2010.03 Deputy General Manager and Party Committee Member of Jixi Branch of Long Coal Mining Group.
20 10.03-20 10.03 Acting General Manager of Hegang Branch in Long Mei, member of the Standing Committee of the Party Committee and member of the Standing Committee of Hekuang Group.
20 10.03-20 10.06 general manager, member of the standing Committee of the party Committee of Hegang branch in Long Mei, and member of the standing Committee of the party Committee of Hekuang Group.
2010.06-2010.10 General Manager of Long Mei Hegang Branch, Deputy Secretary of Party Committee, and Deputy Secretary of Party Committee of Hekuang Group.
20 10. 10 Up to now, he is a member of the Standing Committee of Hegang Municipal Committee, general manager of Long Mei Hegang Branch, deputy secretary of the Party Committee, and deputy secretary of the Party Committee of Hekuang Group.