... and ODM Several material for Oil Seal, Rubber Oil Seal, Rubber Seal, O-Ring,Rubber O-Ring,Rubber Ring Seal and Rubber Gasket like: NBR, HNBR, ... ; Products name oil sealExperiencemore than15 years` experience in rubber parts producing and mold developmentMaterialSilicone, NR, SBR, NBR ... to the performance and application condition of rubber material then design the formula according to clients ...