Products and Technology

Oil seals made of sintered metal for variable valve timing devices

By optimization of materials and original process, high precise and high reliability of market claim 0 are achieved.


  • High precision is realized by adopting the material powder for the sintered seal and original process.
  • Total production number more than 100 million, high reliability of market claim 0 is achieved.


Materials Chemical Components(%) Density
Fe C Cu Other
Z15 Residual amount 0.2~1.0 2~5 1.0max. 6.4min.