When did Dezhan Health Zhang Hong become the chairman?

2021August 3 1. According to the inquiry of Dezhan Health official website, Ms. Zhang Hong is the chairman of the eighth board of directors of the company, and the term of office of the eighth board of directors is three years, from August 20021year to August 3 1 year. The business scope of Dezhan Health Company includes: research and development of biological agents, Chinese patent medicines, food, health food and cosmetics.