| 2000— | Vice-President, PetroChina Company Ltd. | |
| 2000— | Director, PetroChina Company Ltd. | |
| 1999—2000 | General Manager, China Petroleum Technology and Development Corporation | |
| 1999—2000 | Deputy General Manager, China Petroleum Materials and Equipment Corporation | |
| 1999—2000 | General Manager, China Petroleum Materials and Equipment Corporation | |
| 1999—2000 | Director, China National Petroleum Corporation, Personnel and Labour Department | |
| 1992—1999 | Deputy General Manager, China Petroleum Technology and Development Corporation | |
| 1990—1992 | Vice-President, Beijing Petroleum Managers Training Institute Beijing Municipality |