Mold technology is endless.

We are doing research to make high-precision molds.
The goal is "more deeper" and "more precision".

SANKO’s Solutions

We have equipment that can cover everything
from micro parts to large parts.

It can also handle large lot products.

SANKO’s Proud Facilities

Parts can be more environmentally friendly.

Making these parts with consideration
for the global environment is extremely important.

Approach to Society and the Environment

Products & Technology

SANKO manufactures stamping, injection molding, insert molding, gear molding, exterior parts, etc.


Sanko has equipment that can cover from small precision stamped parts to large stamped parts. We have a total of 250 press machines with 20t to 400t press machines in all three factories in Japan.


Sanko uses three technologies: press working, injection molding, and assembly to achieve quick delivery, high difficulty, and high quality.


Head office

959 Hirookanomura, Shiojiri, Nagano 399-0782

Chart of offices