1May 1990 to1July 1994, served as assistant to the general manager of Xinjiang Wantong Company (an enterprise directly under Xinjiang Petrochemical Department); 65438+1From March 1997 to August 2000, he served as the senior manager of Shen Yin Wanguo Securities Company; From February 2002 to June 2003, he served as vice president of Xiuzheng Pharmaceutical Group. From July 2003 to July 2004, he served as the vice president of Shanghai Wang Chunhua Group Co., Ltd.; From February 2005 to May 2006, he served as assistant to the president of Zhejiang Feng Wan Group; Professor of School of Economics and Management, Changsha University of Science and Technology since May 2006.