Most spring manufacturing is fully automated mass production,but Tokaibane Mfg.Co.,Ltd. is perhaps the only company in the world that still maintains production of manually processed one-of-a-kin…

Select

友信（株）

Kōhoku-ku, Yokohama-shi, 223-0052 Yokohama-shi, Japan

Select

（株）キッツ本社

Mihama-ku, Chiba-shi, 261-0023 Chiba-shi, Japan

Select

共和螺子工業所

Yashio-shi, 340-0833 Yashio-shi, Japan

Select

（株）成和

1 Chome−14−９, 105-0003 Minato-ku, Japan