Inquiries | MITSUI MINING & SMELTING CO., LTD.

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About Company Information

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

Compliance Consultation Desk

Compliance Consultation Desk	Opinions and inquiries regarding our compliance.	Inquiries

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Environmental and Social Risks Consultation Desk

Environmental and Social Risks Consultation Desk	Opinions or inquiries about environmental and social risks of our group.	Inquiries

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Please refrain from posting advertisements or sales from this form. We will not be able to reply even if you post.
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For all stakeholders
Stakeholders include all organizations and individuals involve with our business such as shareholders, customers, suppliers, communities and our employees.

[Examples of environmental and social risks]
・Human rights abuse　・Negative environmental impact　・Product safety 　・Occupational health & safety
・Concerns about Responsible Mineral Sourcing ・Dealings with our business

About Products or Business

Engineered Materials

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:+81-6-7633-0604	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

Metals

Lead & Zinc Division,Metals Sector	TEL: +81-3-5437-8218	Lead & Zinc: Zinc, Zinc base alloys	Inquiries
Lead & Zinc Division,Metals Sector	TEL: +81-3-5437-8070	Lead & Zinc: Lead, Tin, Bismuth, Antimony trioxide	Inquiries
Chemicals Section, Lead & Zinc Division,Metals Sector	TEL：+81-3-5437-8072	Lead & :Chemical Products	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

Mobility

Catalysts Division, Mobility Sector	TEL: +81-48-773-9511	Catalysts: Catalysts	Inquiries
MITSUI KINZOKU ACT CORPORATION	TEL: +81-45-319-6027	Automobile Door Locks: Door Latch	Inquiries
Mitsui Kinzoku Die-Casting Technology Co., Ltd.	TEL: +81-3-5437-8107	Affiliates Coordination: Die-Casting Business	Inquiries

Other Businesses

Nakabohtec Corrosion Protecting Co., Ltd	TEL: +81-3-5541-5813	Corrosion Prevention Business	Inquiries
MESCO, Inc.	TEL: +81-3-5610-7840	Engineering Business	Inquiries
MESCO, Inc.	TEL: +81-3-5610-7841	Engineering Business (Lead construction materials)	Inquiries
MESCO, Inc.	TEL: +81-3-5610-7850	Engineering Business (Polyethylene composite piping)	Inquiries
Mitsui Kinzoku Instrumentations Technology Corporation	TEL: +81-568-74-7670	Mechatronics Business	Inquiries
Mitsui Kinzoku Perlite Co., LTD.	TEL: +81-72-423-1502	Perlite: Mitsui Perlite, Nenisanso (a designated soil improvement material by the Soil Fertility Improvement Act), ROKAHELPR (Perlite-based filter aid)	Inquiries
MITSUI KINZOKU YOURSOFT Inc.	TEL: +81-3-5437-8138	IT Systems	Inquiries
Mitsui Grinding Wheel Co., Ltd.	TEL：+81-4-2934-1042	Precision grinding wheel Business	Inquiries
Mitsui Sumitomo Metal Mining Brass & Copper Co., Ltd.	TEL: +81-48-775-7112	Rolled Copper Business	Inquiries
Yoshinogawa Electric Wire & Cable Co., Ltd.	TEL: +81-87-847-5161	Cable Business	Inquiries