| 2003— | President, China International Public Relations Association | |
| 1998—2003 | Deputy, 9th NPC | |
| 1998—2003 | Member, 9th Standing Committee of the NPC | |
| 1993—1998 | Ambassador Plenipotentiary, Chinese Embassy USA, Washington, DC | |
| 1990—1993 | Ambassador of China, United Nations USA, New York, New York | |
| 1988—1990 | Assistant Foreign Minister, United Nations, Chinese Delegation | |
| 1984—1988 | Director-General, Ministry of Foreign Affairs, International Organizations Department | |
| 1983—1984 | Deputy Representative of China, United Nations, Geneva Office Switzerland, Geneva |