1985-1990, general manager of Harbin Dongha electromechanical shopping mall;
199 1 year-1992, general manager of Jiamusi zhongjia economic and trade corporation;
1992-1994, general manager of Heilongjiang Branch of China Chemical New Materials Corporation;
1994-1998, chairman of Heilongjiang overseas Chinese materials trading company;
1998 -2002, as the chairman of Heilongjiang northeast electric power engineering co., ltd;
Since 2003, he has served as the chairman of Heilongjiang Maben Industrial Group Co., Ltd.