Please refer to it at the time of design.
In-house integrated production from prototype to mold to mass production! The thin springs from Tokuhatsu Sankyo are custom-made exclusively for your company. We will meet any request you may have.
A constant load spring that reciprocates with a consistent force, whether pulled or pushed, and regardless of the stroke length. The space used after retraction is equivalent to one small diameter drum.
With 19 years of extensive design and production experience, we are the only Taiwanese manufacturer supplying torsion bars for OEM automotive manufacturers in Taiwan.
Suitable for sewer pipes, electrical wire insulation, and building materials!
[Reproduction of Private Spring Preparatory School Lecture 41] Low-temperature annealing is commonly referred to as bluing! The blue color is the color of the iron oxide film formed on the surface of the steel.
It is highly regarded for its performance and practicality, and its practical application is being advanced in countries around the world.
Low cost and short delivery time! The "San-Es Series," a super long seller since 1979, is available in small quantities. Special specifications not listed in the catalog can also be prototyped from just one piece!


























































































































