| August, 2008 | established Engineering business division at Kanagawa |
|---|---|
| September, 2005 | established Nagoya branch office |
| October, 2004 | expanded CAD division for stepping up in the digital field. |
| September, 2004 | established Design centers at Kanagawa and Saitama |
| August, 2004 | built a new earthquake-resistant plant, and moved and added large-scale stamping machines. |
| December, 2000 | built a stamping plant for expanding its business activities. |
| March, 2000 | built a plant for assembly due to the expansion of welding division. |
| September, 1998 | established Saitama sales office |
| January 1998 | remodeled the business and management office due to strengthen the business association with customers. |
| December, 1996 | established Kanagawa sales office. |
| November, 1994 | established Sun Heart Corporation, its affiliated company, as plate working division. |
| October, 1993 | built a plant for the expansion of welding division. |
| April, 1992 | unified all of the information by integration of production management system. |
| October, 1989 | built the technology development center and 3D CAD center. |
| June, 1987 | built a new plant at the current location and integrated to 3 old plants. |
| August, 1983 | became a joint-stock company. |
| May, 1983 | started the operation at the Hirano Plant No. 2 for the expansion of Press die division's business. |
| January, 1982 | started the operation at the Hirano Plant No. 1 for the expansion of the Press die division's business. |
| September, 1978 | moved its head office to 7669-44 Ishimaru, Kokubu-cho, Suzuka. |
| August, 1973 | founded as a limited liability company by Eigo Sasaki at 5-7-33 Sumiyoshi-cho, Suzuka, Mie-ken for the purpose of designing and making press dies and fabricating metal prototype parts. |