| 1998— | General Manager, West Pacific Petrochemical Corporation | |
| 1996—1998 | Deputy General Manager, West Pacific Petrochemical Corporation | |
| 1996 | Named, (Outstanding Young Director of Shandong Province) | |
| 1993—1996 | Deputy Director, Qilu Petrochemical Corp., Shengli Oil Refining Factory Shandong Province, Shengli | |
| 1989—1993 | Chief, Qilu Petrochemical Corp., Shengli Oil Refining Factory, Technology Department Shandong Province, Shengli | |
| 1989—1993 | Chief of the Workshop, Qilu Petrochemical Corp., Shengli Oil Refining Factory Shandong Province, Shengli | |
| Joined, CPC |