Shinagawa Refra Co., Ltd. engages in the manufacture and sale of refractory products in Japan and internationally. The company offers shaped refractory bricks, including basic, carbon-containing, fire clay and high alumina, silicon carbide, and silica bricks; monolithic refractories comprising castable and gunning refractories, precast shapes, plastic and ramming mixes, and refractory mortars; and functional products, such as slide gate plate bricks, submerged entry nozzles, monoblock stoppers, and ladle shrouds, as well as mold powder for continuous casting. It also provides ceramic fiber in various forms consisting of modules, preformed shapes, refractory insulating boards, sheets, and gaskets; and fine ceramics, including high precision large-sized ceramic parts, as well as alumina, zirconia, silicon carbide, a-Sialon, and porous ceramics for use in liquid crystal and semiconductor manufacturing equipment. In addition, the company offers multifunctional absorbent and desiccants, and inorganic heat-resistant paints and adhesives; and related products. Further, it designs, installs, and maintains various industrial kilns. The company's products are used in the blast furnace, RH degasser, torpedo car, converter, casting, incinerator, glass furnace, and cement rotary kiln applications. Shinagawa Refra Co., Ltd. was formerly known as Shinagawa Refractories Co., Ltd. and changed its name to Shinagawa Refra Co., Ltd. in October 2025. The company was founded in 1875 and is headquartered in Chiyoda, Japan.