... material for Oil Seal, Rubber Oil Seal, Rubber Seal, O-Ring,Rubber O-Ring,Rubber Ring Seal and Rubber Gasket like: NBR, HNBR, CR, PDFE, EPDM ... name oil sealExperiencemore than15 years` experience in rubber parts producing and mold developmentMaterialSilicone, NR, SBR, NBR., EPDM, CSM, CR, HNBR, VITON, AFLAS ...