The history of metal industrial area, TSUBAME SANJO
it starts by simple Japanese nail, that farmers manufactured on side business to survive.
Then, metal industry has grown over 400 years, benefiting from suitable location:

　＜Mines around Yahiko＞
＜High Quality Charcoal produced at Shitadago (Current Shitada area in Sanjo)＞
＜Water Transportation Hub, Shinano River＞

Even today, it’s still making steady progress.
TSUNODA, proud of the history made by previous generation, carries on the legacy of innovation and challenge.