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Company Description

Contact Info

West Tower

19th Floor

Gate City Ohsaki

1-11-1 Osaki, Shinagawa-ku

Tokyo, 141-8584


Phone: 81 3 5437 8028

Fax: 81 3 5437 8029

Mitsui Mining and Smelting Company, Limited produces and supplies nonferrous metal intermediates primarily in Japan. It manufactures battery materials, including battery-use zinc powders, hydrogen storage alloys, and lithium manganese oxide and nickel-lithium; catalysts; engineered powders comprising cerium oxide abrasives, tantalum and niobium oxides and carbides, magnetite, metal powders, and solder powders; copper foils with carrier films, electro-deposited and resin-coated copper foils, and material of capacitors embedded in PWBs; PVD materials; ceramics for electronic components; and single crystals. The company also offers side, back, slide door, and trunk latches for automobiles; perlite for interior and exterior plating, pre-mixed mortar, and hot and cold insulation material; Nenisanso, a soil improvement material; and ROKAHELP, a filter aid used in the food, pharmaceutical, and chemical industries. In addition, it offers zinc and lead oxide, and zinc sulfate; grinding wheels; aluminum, magnesium, and other materials die casts; and copper, copper alloys, and brass plates and coils. Further, the company smelts and recycles nonferrous metals comprising zinc, zinc based alloys, lead, tin, bismuth, antimony trioxide, copper, gold and silver, and sulfuric acid; explores for copper and zinc ores, and zeolite; operates geothermal power plant; and provides consulting services for surveying and developing minerals, geothermal energy, hot springs, and water resources. Additionally, it is involved in the mechatronics and corrosion prevention business; handling wires and cables; and planning, project management, operational training, and maintenance services to nonferrous metal ore sorting and refinery plants. The company was formerly known as Kamioka Mining and Smelting Co., Ltd. and changed its name to Mitsui Mining and Smelting Company, Limited in 1952. The company was founded in 1950 and is headquartered in Tokyo, Japan.


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