Li Wanjiang Deputy Director of the State Administration of Coal Mine Safety |
1991—1993 | Vice-Dean, Xinjiang Coal and Mine Design Institute | Xinjiang Uygur Autonomous Region |
1989—1991 | Director, Xinjiang Coal and Mine Design Institute, Mining Office | Xinjiang Uygur Autonomous Region |
1986—1989 | Deputy Director, Xinjiang Coal and Mine Design Institute, Mining Office | Xinjiang Uygur Autonomous Region |
1982—1986 | Engineer, Xinjiang Coal and Mine Design Institute, Mining Office | Xinjiang Uygur Autonomous Region |