History
| Taisho 7 (1918) | Established as Nihon Seishin Kabushiki Kaisha Location: 1002 Asahi, Himi City |
|---|---|
| Showa 17 (1942) | Merged with three local companies to establish Toyama Ken Seishin Kabushiki Kaisha |
| Showa 25 (1950) | Obtained 90% domestic market share in manufacturing and selling hand-sewing needles |
| Showa 35 (1960) | Started processing aluminum products |
| Showa 47 (1972) | Changed company name to Kenshin Kogyo Kabushiki Kaisha |
| Showa 49 (1974) | Started processing aluminum building materials |
| Showa 54 (1979) | Moved to current location in Horita, Himi City from Asahi Honcho, Himi City |
| Heisei 2 (1990) | Introduced NC milling machines |
| Heisei 12 (2000) | Acquired the second factory |
| Heisei 14 (2002) | Started aluminum welding |
| Heisei 22 (2010) | Changed major trading partner from Shin Nikkei Co., Ltd. to LIXIL Corporation in April |