1.Rubber air spring be made of NBR,NR,EPDM... ... TS 16949 3.OEM is welcome 4.Price:negotiable 1.Rubber air spring is applied in Automotive, medical device, electronics, ... vibration isolation, long service life. Product/Service(We Sell): rubber springMaterialEPDM, CR, etc, just as your request.CertificationISO 9001:2000 ... to your Requirement2.Designs and Specification are Accepted rubber air spring