The Ceramics business includes ceramic and electronic components and devices and quartz glass. The company manufactures and sells ceramic substrates used as components of electronic circuits, EMC components for noise reduction, and quartz glass components for the semiconductor field. Together with MARUWA SHOMEI Co., Ltd. and YAMAGIWA Co., Ltd. the company also manufactures and sells lighting equipment, such as LED road lighting and interior lighting equipment. The company has a subsidiary in Malaysia that manufactures and sells ceramic products, and subsidiaries in Taiwan, the U.K., Korea, China, the U.S., and India that sell ceramic products.