Nittetsu Mining Co., Ltd. engages in mining activities in Japan and internationally through its subsidiaries. It operates in four segments: Resources Business; Machinery and Environmental Business; Real Estate Business; and Renewable Energy Business. The company offers minerals such as limestone, crushed stone, calcium carbonate, gypsum, silica rock, quicklime, hydrated lime, and dolomite; fuel-related products including petroleum products, coal, and liquefied petroleum gas; fine chemicals such as specialty papers, fire-retardant, calcium carbonate, asheet paper shoe insoles, and white limestone; metallic minerals including electrolytic copper, gold, and silver; and mineral resources such as materials for steel manufacturing and copper ore. It also develops and operates the Atacama copper mine in Chile and is involved in copper smelting. Additionally, it supplies environmental products such as polytetsu and tetsuflock wastewater treatment chemicals and dashace deodorants, produces environment-related machinery including dust collectors and deodorizing smoke separators, and powder and fluid-related machines. The company also manages, leases, and sells various properties, and is involved in geothermal energy survey and development, supply and sale of geothermal steam and electricity, and power generation using solar and hydroelectric plants. Founded in 1899, Nittetsu Mining is headquartered in Chiyoda, Japan.