Sumitomo Osaka Cement. 

Sumitomo Osaka Cement Co., Ltd. is a global company primarily involved in the production and distribution of cement. Its product portfolio includes various types of cement, cement-based solidifying agents, and ready-mixed concrete. Beyond its core offerings, the company provides an array of mineral products, such as limestone and dolomite, which are essential for cement manufacturing, steel production, industrial applications, quicklime, and fertilizers. It also supplies aggregates crucial for road construction and diverse civil engineering projects. Its calcium carbonate products are utilized in power plant flue gas desulfurization and for high-fluidity concrete filling, while silica powder is incorporated into various cement-related materials like exterior walls and roofing. The company diversifies its operations through electric power supply and recycling initiatives. Furthermore, Sumitomo Osaka Cement manufactures and sells materials for repairing and reinforcing concrete structures. It conducts research and development for materials designed to address heavy metal pollution and offers protective solutions for concrete infrastructure. Environmentally, it produces artificial fish reefs and weed bed reefs. In the high-tech sector, the company manufactures and markets optical communication components, including LN modulators, and various measuring instruments. It supplies ceramic components vital for semiconductor manufacturing equipment, alongside nanoparticle materials, antibacterial agents, cosmetic additives, and specialized functional paints. Additional business activities encompass real estate leasing, information processing services, and electrical installation works. Established in 1907, Sumitomo Osaka Cement Co., Ltd. is headquartered in Tokyo, Japan.