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Fiber Optics

Pure Silica Core Fiber

Hard Plastic Clad Fiber

Sumitomo Electric Industries, Ltd. (SEI) is a leading company in the development of new technology for optical fibers and cables in the world.  SEI’s portfolio covers a variety of products and applications, from long distance submarine cables to FTTx network access cables and specialty fibers.  Sumitomo Electric U.S.A. is particularly taking the lead in the U.S. market to promote specialty fibers for various industrial applications, such as distributed temperature sensing for oil and gas production, factory automation, medical instruments, and locomotives.  Sumitomo Electric U.S.A. works directly with each customer to come up with a customized solution.  Please contact us for details.


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