Denka Establishes New Hub to Integrate Management, Bolster Cooperation at Omi Plant on November 5, 2018 in Materials Denka Co. Ltd. (TYO:4061), a chemical firm that produces synthetic rubber and high-performance polymers, recently announced that it has completed…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading