Dong-A ST Co., Ltd is a Korea-based company mainly engaged in the production and sale of pharmaceuticals. The company is involved of the manufacturing and sale of gastric mucosal protective agents, antihistamines, ischemic modifiers, antithrombotic agents, functional dyspepsia, hyperlipidemia, growth hormone, peptic ulcer treatments, cerebral metabolism improvement and hypertension treatments. It produces and sells diagnostic reagents for hepatitis E, I, A and B. In addition, it is engaged in the production and sale of medical devices including implants for artificial joint and maxillofacial surgery. The Company distributes its products within the domestic market and to overseas markets, including Brazil, Turkey, Cambodia, Taiwan and Myanmar.