CHUGAI PHARMACEUTICAL CO., LTD. is a Japan-based pharmaceutical company. The Domestic segment is engaged in the sale of pharmaceutical products manufactured by the Company through its nationwide appointed stores. This segment is also involved in the research, development, transportation and storage of pharmaceutical products, as well as the provision of literature research services for pharmaceutical information. The Overseas segment is engaged in the sale of its pharmaceutical products in oversea markets, such as Germany, the United Kingdom, France, Taiwan, China Mainland, Korea and the United States. This segment is also involved in the provision of pharmaceutical academic information, as well as the research, development and registration of pharmaceutical products.