Affiliates
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Sumitomo Electric Industries, Ltd.
A global company that contributes to the development of social infrastructure by developing a wide range of businesses in five areas: automotives, information and communications, electronics, electric wires and equipment and energy, and industrial materials through original R & D.
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Sumitomo Electric Tool Net, Inc.
A sales company that plays a central role in domestic sales of Sumitomo Electric Hard Metal Corp. and has established regional-based bases nationwide.
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Hokkaido Sumiden Precision Co., Ltd.
An automated mass production plant for the "Igetalloy" cutting edge replacement insert, which is at the forefront of the mechatronics era.
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Tohoku Sumiden Precision Co., Ltd.
"Igetalloy" manufacturing base with steel tool (milling cutter), high-efficiency line of MULTIDRILL, latest processing technology, and service function of Tohoku area.
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Tokai Sumiden Precision Co., Ltd.
"Igetalloy" manufacturing base with both service functions in the Chukyo area and mass-production functions for specified products.
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Kyushu Sumiden Seimitsu Ltd.
The world's leading electronics industry in Japan. A mass-production plant for "Igetalloy" precision tools that supports the foundation.
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A.L.M.T. Corp.
A comprehensive manufacturer of tungsten products/molybdenum products/heat radiation board materials and diamond tools and CBN tools.
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AXISMATERIA LTD.
Manufacture and sale of cemented carbide materials for circular cutting tools such as drills and endmills; manufacture and sale of other cemented carbide materials.
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ASDEX Ltd.
Total alloy type supplier involved in the development, manufacture and sale of molds for forging.
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Sunray Reinetsu Co., Ltd.
Sumitomo Electric Industrial Group. Manufacture and sale of combustion equipment (burners), environmental equipment, and industrial equipment.