1986.02—— 1990.05, Workshop Director, No.2 Rolling Mill, JISCO.
1990.05 ——1997.11Chief of Production Section of No.2 Rolling Mill of jiuquan iron and steel Co., Ltd.
1997.11——1998.06, deputy director of the second rolling mill of JISCO.
1998.06 —— March 2000, deputy director of production scheduling department of JISCO.
2000.03——200 1.02, Deputy Director of JISCO Sales Department.
2001.02 —— April 2003, Assistant General Manager and Minister of Production Department of jiuquan iron and steel (Group) Co., Ltd.
April 2003—April 2005, Deputy General Manager and Director of jiuquan iron and steel (Group) Co., Ltd.
2005.04—2008. 1 1, Deputy General Manager, Deputy Chief Economist, Director and Standing Committee of Party Committee of jiuquan iron and steel (Group) Co., Ltd.
2008.11—— 2010.09, Deputy General Manager, Chief Economist, Director and Standing Committee of Party Committee of jiuquan iron and steel (Group) Co., Ltd.
20 10.09—— General Manager, Chief Economist, Director and Standing Committee of Party Committee of jiuquan iron and steel (Group) Co., Ltd.