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1Count~15Count(Total17Count)
1.CaF2 (visible and infrared grades), 2.CaF2(ArF grade)
Calcium Fluoride (CaF2)

Main products(Optical Crystals, Scintillators and Radiation Detectors)

IoT / Electronics

Parts / materials

Calcium fluoride(CaF2), an optical material characterized by its low light dispersion, has a history of use in imaging applications that demand high quality. High definition television and other high resolution products represent a growing market for both visible and infrared grades of CaF2. The ArF grade, with its high transparency in the vacuum ultraviolet (VUV) region, is used as the primary optical component for excimer lasers and laser-based lithography equipment.
Chemical Products Business
Chemical Products Business

Main products(Chemical Products Business)

We manufacture and sell zinc oxide as well as lead oxide and zinc sulfate, which we are the only company to manufacture in Japan. Zinc oxide is used as a vulcanizing accelerator to strengthen rubber products. Lead oxide meanwhile is used as a vinyl chloride stabilizer, in paints and in electronic materials such as ceramic condensers. Zinc sulfate is used as a raw material in fabrics, paper, animal feed and health food products.
IT Systems
IT Systems

Main products(IT Systems)

IoT / Electronics

Equipment / Others

YOURSOFT Inc. drives the IT efforts within the Mitsui Kinzoku Group, and also uses its experience and know-how to serve organizations outside the group, in all industries and sectors, in Japan and overseas.
Engineering Business
Engineering Business

Main products(Engineering Business)

Plant

Construction / other

MESCO, Inc. is a dedicated engineering company that provides comprehensive services for various industrial plants. Specifically, we provide planning, project management, operational training, and maintenance services to nonferrous metal ore sorting and refinery plants.
Cable Business
Cable Business

Main products(Cable Business)

IoT / ElectronicsMobilityLife / EnvironmentPlant

raw materialsParts / materials

Yoshinogawa Electric Wire & Cable Co., Ltd., handles wires and cables business for applications that support our daily lives, including industrial robots, medical equipment, communications, etc.
Corrosion Prevention Business
 Corrosion Prevention Business

Main products(Corrosion Prevention Business)

Parts / Building materials / Structural materialsPlant

Processing

Nakabohtec Corrosion Protecting Co., Ltd operates a corrosion prevention business designed to solve corrosion issues customers face with port and harbor structures that surround Japan, salt-air damaged concrete structures, pipelines that support life infrastructures, plant facilities, gate facilities, etc.
Rolled Copper Business
Rolled Copper Business

Main products(Rolled Copper Business)

IoT / ElectronicsMobilityParts / Building materials / Structural materialsPlant

raw materials

We manufacture and sell plates and coils made using copper, copper alloys, and brass which is an alloy of copper and zinc, as well as various other rolled copper products. Our rolled copper products are used in various applications centered around automotive terminals and consumer device terminals. The rolled copper division is currently operated by Mitsui Sumitomo Metal Mining Brass & Copper Co., Ltd., as a result of a business merger with Sumitomo Metal Mining & Smelting Co., Ltd., in July 2010.
Mechatronics Business
Mechatronics Business

Main products(Mechatronics Business)

IoT / ElectronicsAnalysis / Inspection / Measurement

Equipment / Others

Mitsui Kinzoku Instrumentations Technology Corporation was formed through a merger between Mitsui Kinzoku’s Instrumentation Systems Division ?
aluminum- and magnesium-related die-casted products
aluminum- and magnesium-related die-casted products

Main products(Die-Casting Business)

IoT / ElectronicsMobilityParts / Building materials / Structural materials

Parts / materials

We produce die-casts mainly using aluminum and magnesium, such as headlamp reflectors, heat sinks, inverter housings for EVs and HEVs, and other automotive components.
Cadmium Tungstate (CdWO4)
Cadmium Tungstate (CdWO4)

Main products(Optical Crystals, Scintillators and Radiation Detectors)

IoT / ElectronicsLife / EnvironmentAnalysis / Inspection / Measurement

raw materials

Cadmium Tungstate (CdWO4) is used in non-destructive inspections of hand luggage, cargo, and industrial products, and in medical CT scan inspections. We manufacture high quality crystals with short afterglow.
Mitsui Perlite
Mitsui Perlite

Main products

EnergyLife / EnvironmentParts / Building materials / Structural materials

raw materialsParts / materials

Mitsui Perlite is formed by crushing pearlstone, a natural volcanic glass, or pitchstone. This is then rapidly heated and allowed to expand, resulting in an airtight amorphous structure that is very light and has a white sand-like appearance.
Precision grinding wheel Business
Precision grinding wheel Business

Affillates Coordination

IoT / ElectronicsMobilityParts / Building materials / Structural materials

Parts / materials

Our standard grinding wheels are used for precision grinding of metal parts and other materials in a wide range of industries, including the automotive and bearing industries.
Powder metallurgy products
Powder metallurgy products

Affillates Coordination

IoT / ElectronicsMobilityParts / Building materials / Structural materials

Parts / materials

These products are made from steel-based materials and find wide applications in various areas. We can provide parts of excellent quality, in high volume, and at low cost, particularly for automotive applications such as engine, suspension, and power steering parts.
ROKAHELP® (Perlite-based filter aid)
ROKAHELP® (Perlite-based filter aid)

Main products

Life / EnvironmentRaw materials / Resources / Recycling

raw materialsmaterials

ROKAHELPR is a filter aid that is widely used in various fields including the food, pharmaceutical, and chemical industries.
Nenisanso (a designated soil improvement material by the Soil Fertility improvement Act)
Nenisanso (a designated soil improvement material by the Soil Fertility improvement Act)

Main products

Life / Environment

raw materials

Nenisanso is a soil improvement material that capitalizes on the characteristics of Perlite, derived from pearlstone. The name “Neninsanso” means to “give oxygen to the roots” in Japanese. This Perlite-based soil improvement material produces ideal soil by adjusting the balance of moisture and oxygen.
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