... standard OEM/ODM are welcomed mechanical oil seal:Product and sell all kinds of oil seal. Good quality and best prices1.Material: NBR,HNBR ... ,PTEE,FPM,MVQ,EPDM,PTFE,and so on2.Application: ... company have long term and friendly business relationship.Export products are include rubber widescreen,elbow,oil seal,o-ring andso on. ...