Sumitomo Electric U.S.A.
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Air springs for trains

Air springs are used in the suspension system of trains to reduce vibrations transmitted from the wheels to the railway car. For decades, Sumitomo Electric has been a leading supplier of air springs for Japan’s Shinkansen bullet trains. We continue to develop air spring technology to enable faster train speeds while maintaining comfort and passenger safety. A variety of air springs are available to accommodate the needs of different kinds of suspension systems.