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Precision grinding wheel Business
Main products（Precision grinding wheel Business）
IoT / Electronics Mobility Parts / 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.
Nenisanso (a designated soil improvement material by the Soil Fertility improvement Act)
Main products（Perlite Business）
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.
Mitsui Perlite
Main products（Perlite Business）
Energy Life / Environment Parts / Building materials / Structural materials
raw materials Parts / 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.
ROKAHELP® (Perlite-based filter aid)
Main products（Perlite Business）
Life / Environment Raw materials / Resources / Recycling
raw materials materials
ROKAHELPR is a filter aid that is widely used in various fields including the food, pharmaceutical, and chemical industries.
Powder metallurgy products
Other Businesses
IoT / Electronics Mobility Parts / 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.
Mechatronics Business
Main products（Mechatronics Business）
IoT / Electronics Analysis / Inspection / Measurement
Equipment / Others
Mitsui Kinzoku Instrumentations Technology Corporation was formed through a merger between Mitsui Kinzoku’s Instrumentation Systems Division ?
Rolled Copper Business
Main products（Rolled Copper Business）
IoT / Electronics Mobility Parts / Building materials / Structural materials Plant
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.
Corrosion Prevention Business
Main products（Corrosion Prevention Business）
Parts / Building materials / Structural materials Plant
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.
Cable Business
Main products（Cable Business）
IoT / Electronics Mobility Life / Environment Plant
raw materials Parts / 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.
IT Systems
Main products（IT Systems）
IoT / Electronics
Equipment / Others
MITSUI KINZOKU 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.
MIM (Metal Injection Molding) products
Other Businesses
IoT / Electronics Mobility Life / Environment
Parts / materials
Metal injection molding is a metalworking technique for making parts wherein a mixture of metal powder and binder material is injected into a mold. The binder is degreased and the part is sintered.
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.