Company Profile
Mitsui Kinzoku Company manufactures and sells functional engineered and electronic materials globally. Its business is organized into four segments: Functional Materials Business, Metals Business, Automotive Parts Business, and Businesses.
The company offers copper foil with carrier film, resin-coated copper foil, electro-deposited copper foil, and material of capacitors. Its portfolio also includes catalysts, tin and zinc oxide, copper, silver, and solder powders, as well as power metallurgy, hydrogen storage alloy and lithium manganese oxide, tantalumu, niobium oxides, and carbides
Cerium oxide abrasives, oxides/rare earth compounds, metal products, and rare earth salts/ceramics, alumina and silicon carbide refractories, fine ceramics, and metalofilter, sputtering targets, engineered liquids, debondable glass carrier materials, and negative thermal expansion materials and LNMO cathodes
Zinc and zinc base alloys. Its portfolio also includes chemical products, lead, tin, bismuth, and antimony trioxide, gold and silver ingots and powders, concentrated and fuming sulfuric acid, and electric copper, copper ingots, and wire rods, and mineral and geothermal resources Mineral resources development and environmental protection engineering services. Additionally, it engages in corrosion prevention.
Its portfolio also includes engineering, mechatronics, perlite, information technology systems, and rolled copper businesses. It also is involved in nonferrous metal smelting. Its portfolio also includes precious metal recycling, raw material related businesses, and manufacturing and sale of automotive parts/components. Incorporated in 1950 and headquartered in Shinagawa, Japan, Mitsui Kinzoku Company was formerly known as Mitsui Mining & Smelting Co., Ltd. before rebranding in October 2025.