| 2012— | Director, State Administration of Coal Mine Safety | |
| 2012— | Member, 18th CPC, Central Committee, Central Commission for Discipline Inspection | |
| 2011—2012 | Deputy Director, State Administration of Work Safety | |
| 2005—2011 | Deputy Director, State Administration of Coal Mine Safety | |
| 2001—2005 | Director, State Administration of Coal Mine Safety, Coal Mine Supervision Department | |
| 1999—2001 | Deputy Team Leader, State Administration of Coal Mine Safety | |
| 1998—1999 | Staff Member, State Economic and Trade Commission | |
| 1996—1998 | Director, Ministry of Coal Industry, Safety Department, Ventilation Division | |
| 1993—1996 | Deputy Director, Ministry of Coal Industry, Safety Department, Ventilation Division | |
| 1982—1985 | Student, China University of Mining and Technology, Graduate Department Beijing Municipality |