| Vice-Chairman, All-China Federation of Industry and Commerce, Executive Committee | ||
| 2003— | Deputy, 10th NPC | |
| 2002— | Board Chairman, Legend Group Holdings Co., Ltd. Hong Kong SAR | |
| Director, Chinese Academy of Sciences, Computer Technology Research Institute | ||
| President, (Computing Institute Company) | ||
| 1984—2002 | President, Legend Group Holdings Co., Ltd. Hong Kong SAR | |
| 1983—1984 | Secretary, Chinese Academy of Sciences, Cadre Bureau | |
| 1970—1983 | Secretary, Chinese Academy of Sciences, Computer Technology Research Institute | |
| 1968—1970 | Worker, Baiteng Farm Guangdong Province, Zhuhai City | |
| 1967—1968 | Technician, Sichuan Province, Chengdu City (10th Academy, 10th Institute) |