Yotai Refractories Co., Ltd., manufactures and sells refractories and ceramics in Japan and internationally. It operates through Refractories and Engineering segments. The company offers fireproof bricks from various materials, including alkaline, high alumina-made, clay-made, and silica bricks; ceramic and environmental system-related furnaces; and monolithic refractories for the steel, non-ferrous, cement, glass, environmental equipment, electronic parts, and chemical and pottery industries. It also provides engineering services, which comprises design, construction, and supervisory services, as well as contract maintenance services. The company was formerly known as Osaka Yogyo Fire Brick Co., Ltd. and changed its name to Yotai Refractories Co., Ltd. in June 1987. Yotai Refractories Co., Ltd. was incorporated in 1936 and is headquartered in Kaizuka, Japan.