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Inquiries

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About Company Informations

Corporate Communications Dept. TEL: +81-3-5437-8028 Company profile, IR, CSR, R&D, etc. Inquiries

CSR Inquiry Line

CSR Office About Mitsui Kinzoku Group’s CSR activities: Compliance, Human rights (Conflict Minerals), Environment, etc. Inquiries

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Compliance Consultation Desk

Compliance Consultation Desk Opinions and inquiries regarding our compliance. Inquiries

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About Products or Business

Engineered Materials

Catalysts Division, Engineered Materials Sector TEL: +81-48-773-9511 Catalysts: Catalysts Inquiries
Engineered Powders Division,
Engineered Materials Sector
TEL:+81-3-5437-8105 Battery Materials: Hydrogen storage (absorbing) alloy (MH alloy), Lithium Manganese Oxide (LMO) and Nickel-Lithium (NCM) Inquiries
TEL:+81-3-5437-8094 Rare Metals: Cerium Oxide Abrasives, Tantalum and Niobium Oxides and Carbides Inquiries
TEL:+81-3-5437-8091 Engineered Powders: Passtran Inquiries
TEL:+81-3-5437-8092 Engineered Powders: Ultra-fine powders for electronic materials, Solder powder, Powder metallurgy Inquiries
Copper Foil Division, Engineered Materials Sector TEL: +81-3-5437-8091 Copper Foil: MicroThinTM copper foil with carrier film, Electro-deposited copper foil for printed wiring boards (PWBs), Resin-coated copper foil, Material of capacitors embedded in PWBs (FaradFlex) Inquiries
PVD Materials Division, Engineered Materials Sector TEL:+81-3-5437-8092 Sputtering Targets: Sputtering Targets Inquiries
Ceramics Division, Engineered Materials Sector TEL: +81-3-5437-8092 Ceramics: Alumina, Silicon Carbide (SiC) refractories, Fine ceramics, METALOFILTERR and METALOCLEANR TS Inquiries
Mitsui Grinding Wheel Co., Ltd. TEL:+81-4-2934-1042 Affiliates Coordination: Precision grinding wheel Business Inquiries

Metals

Lead & Zinc Division,Metals Sector TEL: +81-3-5437-8218 Lead & Zinc: Zinc, Zinc base alloys Inquiries
Copper & Precious Metals  Division,Metals Sector TEL: +81-3-5437-8070 Copper & Precious Metals  : Lead, Tin, Bismuth, Antimony trioxide Inquiries
Pan Pacific Copper Co., Ltd. TEL: +81-3-6257-7700 Metals & Recycling: Copper, Gold and Silver, Sulfuric acid
Mineral Resources Division, Metals Sector TEL: +81-3-5437-8077 Mineral Resources: Mineral Resources(zinc ore, copper ore), Geothermal steam Inquiries
Mitsui Mineral Development Engineering Co., Ltd. TEL: +81-3-5437-8204 Mineral Resources: Resource Development and Environmental Conservation Engineering Service Inquiries

Automotive Parts & Components

MITSUI KINZOKU ACT CORPORATION TEL: +81-45-319-6027 Automobile Door Locks: Door Latch Inquiries

Affiliates Coordination

Perlite Division, Affiliates Coordination Strategic Sector TEL: +81-3-5437-8086 Perlite: Mitsui Perlite, Nenisanso (a designated soil improvement material by the Soil Fertility Improvement Act), ROKAHELPR (Perlite-based filter aid) Inquiries
Chemical Products Division, Affiliates Coordination Strategic Sector TEL:+81-3-5437-8072 Affiliates Coordination: Chemical Products Business Inquiries
Nihon Kessho Kogaku Co., Ltd. TEL: +81-276-72-1917 Single Crystals:Calcium Fluoride (CaF2), Cadmium Tungstate(CdWO4), X-ray Detectors Inquiries
Mitsui Kinzoku Die-Casting Technology Co., Ltd. TEL: +81-3-5437-8107 Affiliates Coordination: Die-Casting Business Inquiries
Mitsui Kinzoku Instrumentations Technology Corporation TEL: +81-568-74-7670 Affiliates Coordination: Mechatronics Business Inquiries
Mitsui Sumitomo Metal Mining Brass & Copper Co., Ltd. TEL: +81-48-775-7112 Affiliates Coordination: Rolled Copper Business Inquiries
Nakabohtec Corrosion Protecting Co., Ltd TEL: +81-3-5541-5813 Affiliates Coordination: Corrosion Prevention Business Inquiries
Yoshinogawa Electric Wire & Cable Co., Ltd. TEL: +81-87-847-5161 Affiliates Coordination: Cable Business Inquiries
MESCO, Inc. TEL: +81-3-5610-7840 Affiliates Coordination: Engineering Business Inquiries
MESCO, Inc. TEL: +81-3-5610-7841 Affiliates Coordination:Engineering Business (Lead construction materials) Inquiries
MESCO, Inc. TEL: +81-3-5610-7850 Affiliates Coordination:Engineering Business (Polyethylene composite piping) Inquiries
YOURSOFT Inc. TEL: +81-3-5437-8138 Affiliates Coordination: IT Systems Inquiries
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