• 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.

  • 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.

  • A.L.M.T. Corp.

    A comprehensive manufacturer of tungsten products/molybdenum products/heat radiation board materials and diamond tools and CBN tools.


    Manufacture and sale of cemented carbide materials for circular cutting tools such as drills and endmills; manufacture and sale of other cemented carbide materials.

  • Nippon ITF Inc.

    Fine coating services. Development, design, manufacture and sales of PVD equipment.

  • ASDEX Ltd.

    Total alloy type supplier involved in the development, manufacture and sale of molds for forging.