... : 2000 standard OEM/ODM are welcomed diesel engine parts oil sealProduct all kinds of oil seal. Good quality and best prices1.Material: NBR ... friendly business relationship.Export products are include rubber widescreen,elbow,oil seal,o-ring andso on.7.According to customers' drawing ... ,customized specifications are welcomed.8.Designing and manufacturing all of oil seals, gaskedts,o-rings ,and so on.