Sumitomo Riko Sees Anti-Vibration Rubber for Trains Picked up by JR Central on April 25, 2022 in Industry Sumitomo Riko (TYO:5191) has had its anti-vibration rubber for trains get selected for use in the 315 series, a conventional…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading