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R&D Organization
Find our R&D laboratories where products and technologies are constantly being developed.
SEI TECHNICAL REVIEW
Recent issues and back numbers of SEI TECHNICAL REVIEW, containing technical descriptions of Sumitomo Electric's products.

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Dec 17, 2019: Sumitomo Electric Wins Major Orders for Low-Loss High-Capacity Overhead Conductors from Asia-Pacific Region
Dec 17, 2019: Home-Use Lithium-Ion Storage Battery Unit POWER DEPO™ III
Equipped with a Dual-Unit Linkage Function
Dec 11, 2019: Sumitomo Electric Launches Thunderbolt™ 3 Cables on Amazon Japan
Dec 9, 2019: Sumitomo Electric Starts Solar Power Generation Diagnostic Services for Power Plants in Japan
Dec 5, 2019: Sumitomo Electric Wins Three Major Projects for Wastewater Treatment in China

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