Zhong Huijuan chairs Chinese drugmaker Hansoh Pharmaceutical, which produces oncology, psychoactive, antidiabetic and other drugs. Zhong's husband, Sun Piaoyang, is also a pharmaceuticals billionaire and leads Shanghai-listed Jiangsu Hengrui Medicine. Zhong owns over three quarters of Hansoh Pharmaceutical with their daughter, Sun Yuan. Headquartered in the Chinese coastal city of Lianyungang, Hansoh went public on the Hong Kong Stock Exchange in June 2019.
