... kinds of oil seals 2.manufacture of oil seals 3.competitive price Oil seals for heavy duty Quick Details Type: Oil seals for heavy dutyMaterial: ... are manufacture of oil seals, we can provide different models of oil seals, which include oil seals,valve stem seals for different cars, trucks, ... all of oil (water) seals gaskets , o rings , bolts.7. OEM and ODM orders are welcome. Oil seals for heavy duty