★ 1988.07-2003.08 China building materials research institute, successively served as assistant engineer, engineer, senior engineer (1995), director of research office and professor-level senior engineer (2002).

★ Since September 2003, he has been a professor and doctoral supervisor in School of Chemistry and Environmental Engineering, China University of Mining and Technology.

★ Director of Institute of Concrete and Environmental Materials, China University of Mining and Technology (Beijing) since 2005.