| 1995— | Chairman of the Board, Qingdao Hisense Electric Company Shandong Province, Qingdao City | |
| 1994—1995 | General Manager, Qingdao Hisense Electric Company Shandong Province, Qingdao City | |
| 1992—1994 | Director, Shandong Province, Qingdao City (Television Factory, Design Department) | |
| 1986—1991 | Deputy Director, Shandong Province, Qingdao City (Television Factory, Design Department) | |
| 1982—1986 | Section Chief, Shandong Province, Qingdao City (Television Factory, Design Department) | |
| 1978—1982 | Student, Shandong University, Electricity Department Shandong Province |