Dong-A Pharmaceutical Co., Ltd. engages in the development and sale of pharmaceutical products worldwide. It offers products in various therapeutic areas, including cardiovascular, digestive, biologic, neurotic, respiratory, antivirus/skin disease, antibiotic, endocrine, oncology, anticancer, and urology. The company also provides over the counter and health care products. In addition, it distributes artificial joints and stents, as well as materials for thoracic surgical treatments and other medical equipment.