... time . ISO9001 certificate OEM and ODM are accepted AUTO OIL SEAL Seals Type: SC, SB , TC, TB, TCK, VC, VB, KC ... , ZT, SBB, SB, TB, MG, WT, WTT, OKC3, MO.Material : NBR, ACM, VMQ, FKM, PTFE, EPDM,VFPMSamples are available, small orders ... more information or send us inquiry with details directly. Auto NBR oil seal with high quality