2003—2005 | Chairman, Provincial People's Congress, Standing Committee Guangdong Province | |
2001—2003 | Deputy Secretary, Provincial People's Congress CPC, Leading Party Group Guangdong Province | |
2001—2003 | Vice-Chairman, Provincial People's Congress, Standing Committee Guangdong Province | |
1993—2001 | Member, CPC, Provincial Committee, Standing Committee Guangdong Province | |
1988—2001 | Vice-Governor, People's Government Guangdong Province | |
1986—1988 | Director, Science and Technology Committee Guangdong Province | |
1986—1988 | President, Chinese Academy of Sciences, Branch Guangdong Province | |
1986—1986 | President, Guangdong Provincial Academy of Science Guangdong Province | |
1981—1986 | Deputy Director, Chinese Academy of Sciences, Guangdong Institute of Chemistry Guangdong Province | |
1981—1986 | Research Fellow, Chinese Academy of Sciences, Guangdong Institute of Chemistry Guangdong Province |