Nippon Crucible Co., Ltd., through its subsidiaries, engages in the manufacture and sale of refractory products primarily in Japan. The company offers refractories for iron and steel making, cast iron and cast steel, non-ferrous metals, and high technology products; and various furnaces, including MEL-keeper, NM furnaces. It is also involved in design, manufacture, and sales to the maintenance of facilities; and real estate business. The company was founded in 1885 and is headquartered in Tokyo, Japan.