oil seal 1.Materials in NBR,NR ,EPDM ,SBR ,SR ,CR ,Silicon, ... ,PTFE,MFQ. 2.Outside diameter from :6 to 1,200mm. Oil seal1.Materials in NBR, NR ,EPDM ,SBR ,SR ,CR ,Silicon ... exercise equipments,water pumps,valves etc.4.types of rubber Oil seal:TC,TB,TA,SC,SB,SA,VC, VB, VA, KC ... , KA, DC, DB etc5.OEM and ODM order is welcome Oil Seal