Sumitomo Riko Starts Construction of New R&D Facility for Anti-Vibration Rubber on June 18, 2018 in Industry Sumitomo Riko Co. Ltd. (TYO:5191) has held a ceremony to formally mark the start of construction on a new R&D…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading