Sumitomo Electric Industries, Ltd. is a manufacturer of electric wire and optical fiber cables. The company’s electrical wiring harness systems, which are used to send information and energy to automobiles, hold the largest market share in the world. Sumitomo Electric also continues to be the leading manufacturer of composite semiconductors (GaAs, GaN, InP), which are widely used in semiconductor lasers, LEDs, and mobile telecommunications devices. The company is one of the top three manufacturers in the world of optical fiber.Shop All Sumitomo Electric Industries ProductsVisit Sumitomo Electric Industries Website
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