| 1999— | Deputy Secretary, China National Coal Industry Import and Export Corp. CPC, Party Committee | |
| 1999— | President, China National Coal Industry Import and Export Corp. | |
| 1998—1999 | Director-General, State Coal Industry Bureau, Foreign Affairs Department | |
| 1998—1999 | Director-General, State Coal Industry Bureau, General Office | |
| 1996—1998 | Director-General, Ministry of Coal Industry, General Office | |
| 1993—1996 | General Manager, China National Coal Industry Import and Export Corp. | |
| 1993—1996 | Vice-President, China National Coal Industry Import and Export Corp. | |
| 1991—1993 | Deputy Director-General, (General Office, China Corporation of Coal Mines under Central Planning) | |
| 1988—1991 | Deputy Director-General, Ministry of Energy Resources, Administrative Department | |
| 1984—1988 | Deputy Manager, Ministry of Coal Industry, Office Service Company |