保木野発条 Company Profile

We offer a wide range of "metal spring" products.

Our company is based in Hachioji City, Tokyo, and we design, manufacture, and sell various precision springs, including coil springs, wire springs, and flat springs, as well as offering online shopping. Since our founding, we have inherited technology and flexible responses, and above all, we prioritize the trust of our users. We manufacture compact and high-performance springs tailored to the designs of engineers (users).