| 1998— | Member, Ministry of Environmental Protection CPC, Leading Party Group | |
| 1998— | Deputy Director, Ministry of Environmental Protection | |
| 1996—1998 | Vice-Minister, Ministry of Chemical Industry | |
| Director, Ministry of Petroleum Industry, Planning Department | ||
| 1986—1996 | Director, Ministry of Petroleum Industry, Chemical Industry Department | |
| 1986—???? | Deputy Director, Ministry of Petroleum Industry, Planning Department | |
| 1984—1986 | Student, CPC, Central Committee, Central Party School | |
| Division Head, Ministry of Petroleum Industry | ||
| Deputy Division Head, Ministry of Petroleum Industry | ||
| 1975—1984 | Engineer, Ministry of Petroleum Industry |