2001— | Secretary of the Board of Directors, PetroChina Company Ltd. | |
1999—2001 | Director, China National Petroleum Corporation, International Cooperation Department | |
1996—1999 | Director, China National Petroleum Corporation, Foreign Affairs Bureau | |
1992—1996 | Deputy Director, China National Petroleum Corporation, Foreign Affairs Bureau | |
1992—1996 | Chairman, China National Petroleum Corporation, Foreign Service Company |