Il-Yang Pharmaceutical Co., Ltd. engages in the manufacture and sale of pharmaceuticals. It operates through the following business divisions: Specialty Meidicine, Over-the-counter Medicine, Export, and Others. Its products include ethical and over-the counter drugs under the brand names of NolTec, Supect, and Wonbi-D. The company was founded on July 1, 1946 and is headquartered in Yongin-si, South Korea.