Nittetsu Mining Co., Ltd. is primarily engaged in the mining and processing of minerals. The Resources segment is divided into Mineral division and Metal division. The Mineral division is engaged in the mining and beneficiating of minerals and limestone, the wood working, and the purchase and sale of related products. The Metal division is engaged in mining and smelting copper ore. The Machinery and Environment segment is engaged in the purchase and sale of machinery and equipment for mining, construction, disaster prevention, chemical and metal working, and wastewater treatment chemicals, as well as the manufacturing and sale of crushing machines, heavy earthmoving machines, transportation equipment, ball valves, and others. The Real Estate segment is engaged in the sale, leasing, appraisal and management of real estate. Its Renewable Energy segment involves in the supply and sale of geothermal steam and hot water.