Ms. Su Li, aged 38, chief supervisor, is an accountant with a bachelor’s degree. Ms. Su previously served as the finance supervisor of Tong Ren Tang Holdings. She currently serves as the deputy head of financial operation department of Tong Ren Tang Holdings. Ms. Su was appointed as a Supervisor at the 2017 AGM of the Company.
 
Mr. Wu Yi Gang, aged 60, holding a bachelor degree of law, was admitted as a solicitor in 1984 and started practice in the same year. Mr. Wu founded Wu Luan Zhao Yan Law Firm in Beijing in 1994 and has been the managing partner of the firm since then. He served as one of the arbitrators of the first session of the Beijing Arbitration Commission in 1995. He currently serves as the deputy director of Dedicated Working Committee for Reexamination of Disciplinary Actions Against Members of Beijing Lawyers Association, and member of the First Council of Beijing Club of Non-Party Senior Intellectuals. He was appointed as a Supervisor at the extraordinary general meeting of the Company on 22 October 2003.
 
Mr. Li Yuan Hong, aged 56, has a bachelor’s degree. Mr. Li previously served as a staff member of the manufacturing department of China Beijing Tong Ren Tang Group Co., Ltd., a deputy business supervisor of medicinal materials department of the Company, a business supervisor of purchasing department, a deputy director of purchasing business department and a business director of medicinal material department of the raw material branch. Mr. Li currently serves as the vice chairman of labour union and director of administration department.