Nitto Boseki Co., Ltd. manufactures, processes, and sells glass fiber products, chemical and pharmaceutical products, and textile products in Japan. It operates through six segments: Electronic Materials Business, Medical Business, Composite Materials Business, Materials Solution Business, Insulation Materials Business, and Other Businesses. The company engages in the development, manufacture, and sale of glass fiber products for electronic materials; in vitro diagnostic reagents; glass fiber products for reinforced plastic and industrial materials; chemical products; interlining products, functional materials, and dishcloths; and glass wool products for thermal insulation, heat retention, and sound absorption. It is also involved in the design, manufacture, sale, installation, maintenance, and servicing of industrial machinery. The company was founded in 1898 and is headquartered in Tokyo, Japan.