... kindly check the information as below, and contack us:): Rubber MaterialEPDM, SBR, NBR, CR, NRaccording to your requirementMetal MaterialDIN ... We have our own factories and have been providing premium quality OEM bushings and auto rubber parts for over 14 ... spare parts, suspension parts (leaf spring bushings, arm bushings, rubber buffers, strut shock mounts, bimetal bushings, etc.), engine parts ...