1984-65438+ 1990 10 taught in Hekou Staff University and Shengli Oilfield TV University successively.
1990 65438+ 10-199965438+February engaged in technical work in Lanzhou vacuum equipment factory, successively served as deputy section chief, section chief and company director of refining technology department199965438+February transferred to Lanzhou University of Technology for teaching and research, and was an undergraduate.