01 / Story
Craft, factory and place.
Naniwa has made bonded abrasive products in Osaka since 1941. Its Chosera and Professional stones are known for fast feedback, controlled wear and consistent grading.
- 1941
Abrasive production begins
Naniwa starts making bonded abrasive products in Osaka.
- 21st c.
Chosera becomes a reference
Dense, fast-cutting waterstones earn a global following.
- Today
Osaka stone expertise
Selected professional stone series continue to be made in Japan.
