| October,1961 | KYOEI SEIKOSHO WORKS was founded at 16-3,Kokubu Higanjyo-cho,Kashiwara,Osaka. |
| July,1965 | Reorganized as a corporation,renamed as KYOEI SEIKO CO.,LTD. |
| January,1968 | The factory was moved at 28-45,Kokubu Higanjyo-cho,Kashiwara. |
| June,1978 | Tried for technical improvement,and engaged in the development of our original machines.At the same time,Tokyo office was opened and expanded the sales area into KANTO area. |
| March,1979 | Received the order of machinery equipment from Nissan and every kind of automobile maker. |
| October,1980 | Assembly plant was newly established. (the 3rd factory) |
| April,1982 | Inspection plant was newly established. (the 4th factory) |
| December,1984 | "Fully automatic cold rolling and forming machine" that we had been researching had completed, and started to sell it. |
| January,1989 | "Fully automatic cold rolling and forming machine" was sold all over the country and abroad. |
| August,1993 | Development assembly plant was newly established. (the 5th factory) |
| August,1998 | NICHI-MA SEIKO (MALAYSIA) was founded. Overhaul the special machine Selling the equipment of Japanese local maker. |
| July,2002 | KYOEI TECH (THAILAND) Co., Ltd. was founded. Maintenance and overhaul of special machines, strengthening of after-sales service in Asia. |
| October,2007 | Assembly plant was newly established at Kokubu Higanjyo Cho 4270-20, Kashiwara. (the West factory) |



