... .Superior sealing effect 3.Competitive price 4.Certificate1:ISO9001:2008 Oil sealSpecifications(1) Applications : automobile , motorcycyles, agricultural machinery ,trucks ,buses ,trailers ... to 500mm(4) Specialized in design and manfactureing all the oil seal, water seals, gasket,washer ,PTFE seals, PTFE ring ,teflon gasket ...