Tsubosan

Founded in 1928, TSUBOSAN FILE CO., Ltd. is a Kure City, Hiroshima-based Japanese manufacturer specializing in steel files, ISO9001-certified for quality control. Led by President & CEO Shigeo Kajiyama, the company has 70 employees and 78,000,000 yen in capital, with offices in Tokyo, Osaka, and Shanghai. It continues to focus on developing files with excellent durability and abrasion resistance while pursuing ongoing quality improvements.