What is Yu Jian's title? Kang Long became an independent non-executive director.

Yu Jian: Male, born in April 1974, China nationality, without permanent residency abroad, party member of the Communist Party of China, doctor of management, certified public accountant, teacher of teaching and research department of Shanghai National Accounting Institute, and tutor of master's degree in accounting. Mr. Yu Jian graduated from the Accounting Department of Zhejiang University of Finance and Economics with a bachelor's degree in economics, 1996. Graduated from School of Accounting, Shanghai University of Finance and Economics, Master of Management 1999 to1; In September 2005, he graduated from the School of International Business Administration of Shanghai University of Finance and Economics with a doctorate in management. Mr. Yu Jian has rich professional experience in finance and accounting. He used to be the Deputy Director of Audit and Supervision Department of Shanghai Chengtou Group Headquarters, the Chief Financial Officer of Shanghai Pulan Investment Management Co., Ltd., the Chief Financial Officer of Shanghai Communications Investment Group Co., Ltd., the Chief Financial Officer of Shanghai Chengtou Land Group Co., Ltd., and the Chief Financial Officer of Shanghai Invesco Information Technology Co., Ltd., and is currently an associate professor in the teaching and research department of Shanghai National Accounting Institute, engaged in teaching and research in the field of financial management. He also serves as an independent director of Pengxin global sources Co., Ltd., milk Wei Chemical Supply Chain Service Co., Ltd. and Shi Sheng Dalian Online Insurance Agency Co., Ltd., and served as an independent non-executive director of Kanglong Huacheng (Beijing) New Drug Technology Co., Ltd. on July 23, 2020.