Zhejiang Ahenyuan. 

Based in Shaoxing, China, Zhejiang Zhenyuan Share Co., Ltd. is a pharmaceutical entity with operations extending across China and into global markets. Established in 1752, the company provides a wide array of pharmaceutical offerings. These include various traditional Chinese medicines (such as patent medicines, raw materials, and herbal preparations), alongside modern chemical preparations, active pharmaceutical ingredients, biochemical compounds, anesthetics, psychotropic drugs, medical equipment, and chemical reagents. Its diverse product line is marketed under the Zhenyuan and Zhenyuantang brand names. The firm primarily caters to the pharmaceutical commerce and health service industries.