1972 working in Taiyuan heavy machinery factory; 1978 studied in Taiyuan institute of heavy machinery, majoring in rolling machinery; 1982 designer of Taiyuan heavy machinery research institute; 1985 master of management engineering in Tsinghua University; 1988 to 1997, served as the chief of enterprise management department, deputy director of financial accounting department, director of planning department, assistant to general manager of Taiyuan Heavy Machinery Group and director of planning department; 1997 Deputy General Manager and Chief Accountant of Shanxi Huafeng Nylon Company; 1999 as the executive deputy general manager of Taiyuan heavy machinery group; In 2000, he served as deputy mayor of Datong City; 20 10 served as deputy director and member of the party group of Shanxi Provincial Economic and Information Technology Commission.