1963	Start business at Tondabayashi City, Osaka
1967	Relocated Head Office to Mihara-ku, Sakai City, our current location
1969	Established Okita Iron works Co., Ltd.
1974	Installed our first Parts Former, HNP-80
1982	Construct Okayama Plant at Kuban, Okayama City and strengthen productivity
2003	Obtained ISO9001 certification
2003	Established first overseas plant in Taicang, China
2008	Established Sales office in Anjo City, Aichi
2009	Expanded Okayama Plant
2010	Obtained ISO14001 certification Okayama Factory
2011	Obtained IATF16949 (Formerly ISO/TS16949) certification
2015	Constructed Gifu Plant in Mitake-cho, Kani-gun, Gifu to strengthen productivity
2016	Established Osaka branch office in Nishi-ku, Osaka
2017	Established Aichi branch office in Nagoya City, Aichi
2019	Established Aichi branch office in Minato-ku, Tokyo
2022	Established the affiliated company in Abasolo, Guanajuato, Mexico
2022	Constructed Gifu Mizunami Plant in Yamada-cho, Mizunami-City, Gifu to strengthen productivity