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Sumitomo Electric sumitomo is a leading copper magnet wire manufacturer located in in 1969 as Sumitomo Electric Industries' first overseas manufacturing sumitomo Go to Sumitomo Corporation in North, Central and South America Site English นโยบายด้านความมั่นคงปลอดภัยสารสนเทศ © 2024 Sumitomo Corporation Top

sumitomo This is the website of Sumitomo Chemical Co , Ltd Sumitomo Chemical provides a wide range of products developed by harnessing the Power of Chemistry that