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Global Strategy

Overseas operations

  • Sumitomo Electric Semiconductor Materials,Inc.
    Sumitomo Electric Semiconductor Materials,Inc.

    (Oregon/U.S.A)

  • SEI Electronics Materials, Ltd.
    SEI Electronics Materials, Ltd.

    (Hsinchu/Taiwan)

  • SEI Interconnect Products (Europe) Ltd.
    SEI Interconnect Products (Europe) Ltd.

    (Hamburg/Germany)

Domestic operations

  • Sumitomo Electric Industries, Ltd.
    Semiconductor Plant II

    (Itami/Japan)

  • Sumiden Semiconductor Materials Co.,Ltd.
    Sumiden Semiconductor Materials Co.,Ltd.

    (Kobe/Japan)

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