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