Tian Guanjun: Male, China nationality, without permanent residency abroad, born in February, 1974, Ph.D., professor of accounting, certified public accountant in China. 1February, 1995 to August, 200 1 year, as a teacher of supply and marketing school in Xiangyang City, Hubei Province; From September 5438, 2006 to June 2004, I studied for a master's degree in accounting at Southwestern University of Finance and Economics. From July 2004 to June 2007, he served as deputy director of the State Taxation Bureau of Qingyang District, Chengdu; From September 2004 to June 2007, I studied for a doctorate in accounting at Southwestern University of Finance and Economics. From July 20, 2007 to 12,12 served as a teacher, deputy director of the international cooperation department and assistant to the director of the school finance department of Chongqing University of Technology; From September to 20, 200812, he worked in the postdoctoral mobile station of business administration of Zhongnan University of Economics and Law; 2065 438+03-2065 438+06 Deputy Director of Finance Department of Chongqing University of Technology; 2065 438+06-2065 438+07 Vice President of School of Accounting, Chongqing University of Technology; 20 18, 1 to 20 18, professor, School of Accounting, Chongqing University of Technology; From 2018165438+10, he became a professor at chongqing technology and business university Institute of Accounting. Mr. Tian Guanjun has been an independent director of the issuer since 2065438+September 2008.