1977-1978 Working in the rural areas of Guilin, Guangxi Province
1985-1997 Lecture, Dept. of Thermal Engineering, Tsinghua University
1991-1997 Research assistant of RWTH Aachen University, Germany
1997 Working at Steinmueller GmbH, the large-scale power station equipment manufacturing company of Germany
1998-present Associate Professor, Professor (as doctoral supervisor), Tenure-track Professor, Department of Energy and Power Engineering, Tsinghua University
2000 Visiting professor in Prof. M. Horio’s lab., Tokyo University of Agriculture and Technology, Japan
2003 Visiting professor in Institute of Heat Transfer and Air Conditioning, RWTH Aachen University, Germany. Director Prof. Dr.-Ing. U. Renz
2004 Visiting professor in Prof. T. Inaba’s lab., Chuo University, Japan
2004-2015 Director of Institute of Thermal Engineering, Department of Energy and Power Engineering, Tsinghua University
1999 Secretary-General of the 4th International Symposium on Coal Combustion (ISCC), Beijing, China
2011 Chairman of the 7th ISCC in Harbin, China
2015 Chairman of Organization Committee for the 8th ISCC in Beijing
2022-present: Researcher of the Shanxi Institute of Huairou Laboratory