| 2002— | Vice-President, All-China Federation of Trade Unions, Executive Committee | |
| 2002—2007 | Member, 16th CPC, Central Committee | |
| 1998—2003 | Vice-Minister, State Administration for Science, Technology and Industry for National Defense (SASTIND) | |
| 1997—2002 | Member, 15th CPC, Central Committee | |
| 1995—???? | Chairman, Beijing University of Science and Engineering, Board of Trustees | |
| 1994—???? | Member, China Council for the Promotion of International Trade | |
| 1992—1997 | Alternate Member, 14th CPC, Central Committee | |
| 1991—1998 | General Manager, China National Ordnance Industry Corporation | |
| 1990—1991 | Deputy General Manager, China National Ordnance Industry Corporation | |
| 1988—1990 | Deputy General Manager, China Northern Industry Corporation |