... : ISO9001:2008 2.Material: NBR, NR, EPDM, metal, etc 3.Different sizes Product NameRubber metal partsCertificateISO9001:2008Country of OriginChinaAdvantagea. Ozone and chemical ... oilSizeWe can provide you with many different sizes of rubber metal parts, according to your drawing or samplesMatetialNBR, NR ,EPDM ,SBR ...