Zhong Huijuan and Hansoh Pharmaceutical
Zhong Huijuan runs Hansoh Pharmaceutical, which listed in Hong Kong in 2019, and holds a 64% stake per Bloomberg 24.
Zhong Huijuan's companies
| Company | Role |
|---|---|
| Hansoh Pharmaceutical Group | Chairwoman, CEO and majority shareholder; listed in Hong Kong in 2019 |
Hansoh Pharmaceutical
Hansoh is a drugmaker headquartered in Lianyungang that produces oncology, psychoactive and antidiabetic drugs. It listed on the Hong Kong Stock Exchange in 2019, raising HK$7.9 billion, about $1 billion. In 2026 it announced a $15 billion deal with Roche to develop antibody drugs 12.
Her stake
Bloomberg credits her with a 64% stake held through the Sunrise Trust, based on Hansoh's August 2025 filing 4.
Who founded Hansoh
Forbes says Zhong set up Hansoh in 1995 and that investor Cen Junda backed her. Wikipedia says her husband, Sun Piaoyang, and a Hong Kong investor founded the company and that she left teaching to run it. Forbes gives Sun Piaoyang no role at Hansoh and says Hansoh and Jiangsu Hengrui, which he chairs, run independently with separate boards 23.