Nippon Crucible Co Ltd manufactures graphite crucibles and refractories for steelmakers. The company is organized into four major business segments - Refractories business, Engineering business, Overseas business, and Real Estate business. The Refractory segment is engaged in the manufacture and sale of graphite crucibles, shaped refractory and unshaped refractory. The Engineering segment is engaged in the design and construction of various industrial furnaces and incinerators. Overseas business is engaged in the import/export of refractory products and melting furnace equipment. The Real Estate segment is involved in the leasing of buildings and parking lots, and the operation of solar power generation business.