... Black Customized NBR round gasket 1)Oil-resistance NBR Material gasket 2)OEM/ODM is welcomed 3)Certification:ISO9001,Rosh,War Black ... Customized NBR round rubber gasket 1)We have kinds of ... )CertificateCE, ROHS, PAHS, REACHColourRed,Yellow,Green,Blue,Purple, Black, White, Clear, etcSPECIALFeaturesOil-resistant; heat resistant; abrasion-resistant ...