| 2007— | Alternate Member, 17th CPC, Central Committee | |
| 2003—2008 | Ambassador, United Nations | |
| 1999—2003 | Vice-Minister, Ministry of Foreign Affairs (In charge of Departments of International Organizations, Arms Control, and Treaties and Law) | |
| 1998—1999 | Assistant Minister, Ministry of Foreign Affairs | |
| 1998—1999 | Director, Ministry of Foreign Affairs | |
| 1993—1998 | Director, Ministry of Foreign Affairs, International Department | |
| 1992—1993 | Deputy Director, Ministry of Foreign Affairs, International Department | |
| 1992—1993 | Counselor, Ministry of Foreign Affairs, International Department | |
| 1988—1992 | Counselor, Chinese Mission to the United Nations | |
| 1983—1988 | Division Chief, Ministry of Foreign Affairs, International Department |