| 2002— | Chairman of the Board, Beijing Deer Brand City Commodity Limited Company Beijing Municipality | |
| 2002— | General Manager, Beijing Deer Brand City Commodity Limited Company Beijing Municipality | |
| 1997—2002 | General Manager, Beijing Municipality (Beijing Vacuum Flask Industry Company) | |
| 1987—1997 | Deputy General Manager, Beijing Municipality (Beijing Vacuum Flask Industry Company) | |
| 1985—1987 | Chain Factory Director, Beijing Municipality (Beijing Vacuum Flask Industry Company) | |
| 1975—1985 | Office Director, Beijing Municipality (Beijing Vacuum Flask Industry Company) |