... :2000 Supply oil seal and valve stem seals:We offer oil seals,valve stem seals for different cars, trucks, trailers, material ... automobile , motorcycyles, agricultural machinery ,trucks ,buses ,trailers, heavy duty machine ,pump and other euquipment .2) Material : NBR, FPM (VITON) , MVQ ... and ODM orders are warm welcome6) We export rubber seals, PTFE seals and rubber parts many years . our market is ...