| 2000— | General Manager, Xingtai Machinery Roller Group Company Limited Hebei Province, Xingtai City | |
| 1998—2000 | Deputy General Manager, Xingtai Machinery Roller Group Company Limited Hebei Province, Xingtai City | |
| 1996—1998 | Manager's Assistant, Xingtai Machinery Roller Group Company Limited Hebei Province, Xingtai City (Xingtai Cast Steel Branch Factory, Production Department) | |
| 1993—1996 | Deputy Director, Hebei Province, Xingtai City (Xingtai Cast Steel Branch Factory) | |
| 1986—1993 | Section Chief, Hebei Province, Xingtai City (Xingtai Cast Steel Branch Factory, Production Department) | |
| 1985—1986 | Deputy Director, Hebei Province, Xingtai City (Xingtai Cast Steel Branch Factory, Casting Shop) | |
| 1982—1985 | Worker, Hebei Province, Xingtai City (Xingtai Cast Steel Branch Factory, Roll Adjusting Department) | |
| 1982 | Trainee, Hebei Province, Xingtai City (Xingtai Cast Steel Workshop) | |
| 1978—1982 | Student, Hebei Institute of Mechanical and Electronic Technology Hebei Province | |
| Joined, CPC |