GuangYuYuan Chinese Herbal Medicine Co.

GuangYuYuan was founded in 1541. In 2003 it was acquired by a leading Chinese pharmaceutical conglomerate, Xi'an Dongsheng Group, and is listed on the Shanghai Stock Exchange under the name GuangYuYuan Chinese Herbal Medicine Co. Ltd., stock number 600771. In 2006, GuangYuYuan was honored by the Chinese Ministry of Commerce, receiving its "Time-Honored Brand" appellation. Two of GuangYuYuan's oldest products, GuilingJi and Dingkun Dan, have been declared to be part of China's intangible cultural heritage and their formulas have been named national secrets.