Wealth of experience in global market as a manufacturer
of automotive products, heat ventilation air conditioning products,
and industrial products
“Genuine Manufacturing”
which embodies customer’s requests
Trusts and achievements earned during
“100 years” since foundation
We make sure to meet your requests
by stable supplies of our products of high accuracy.

As a manufacturer of automotive parts,
air conditioning equipment, and industrial equipment,
OHTSUKA is making solid contributions to various industries.


During 100 years since its founding,
Ohtsuka has been manufacturing automobile parts, air conditioning equipment, and industrial equipment
pursuing "stable quality." We have and will continue to support the world's industries.



Ohtsuka is an established and experienced company with about 700 employees in the group
and more than 10 manufacturing bases in Japan and overseas