Products of Sakamoto Kyoritsu Seiki Co., Ltd.

Production Prototypes

We have achieved quicker delivery
and higher quality through our efforts
toward a higher degree of precision.

Our efforts toward a higher degree
of precision in our production prototypes,
is an attitude that spurs us
on to the highest level.
This attitude is the reason why
many companies keep choosing us,
and motivates us to produce
more reliable products.
Our persistence toward precision will continue
with the introduction
of the most advanced facilities
and our diligence in using the technology

  • Crankshafts
  • Camshafts
  • Cylinder blocks
  • Head cylinders
  • Con rods
  • Gears
  • Nonconventional precision processing
  • Jigs
  • Custom-made processing

Mass-produced products

We use our experience in prototype manufacturing
to make a faster establishment
of production lines possible.

The most significant feature of
Sakamoto Kyoritsu Seiki's
mass-production products
is its stable supply
of high precision products.
We can flexibly cooperate
in the production of many kinds of
mass-produced products,
such as crankshafts, cylinder blocks,
con rods and gears etc.
We also can meet customers' needs
for small lot production.

  • Crankshafts
  • Camshafts
  • Cylinder blocks
  • Head cylinders
  • Con rods
  • Gears


Our tradition of the top-level design

Since company’s establishment,
we have been provided top-level engine design
for passenger vehicles, two-wheel vehicles,
and racing machines.
Our products show our principle,
"The pursuit of technology comes second
only to our customers needs"
This is our attitude as a business enterprise.