| May 1966 |
Established in Takatsuka-cho, Minami-ward, Hamamatsu-city. |
| August 1966 |
Relocated headquarters to Kozawatari-cho where a new factory was built. |
| June 1976 |
Provided technical guidance to spring manufacturers in Taiwan. |
| September 1984 |
Established Samini Ltd. (current Samini Co.,Ltd.) |
| April 1985 |
Provided technical guidance to spring manufacturers in Korea. |
| November 1985 |
Released FLEX, the small diameter wires protection tube. |
| February 1986 |
Developed NC wire bender with cross industrial collaboration. |
| May 1986 |
Constructed 300 square meters of new headquarters office. |
| April 1987 |
Released the spring mail-order service, "Stock Spring." |
| October 1989 |
1989 Established Ishimoto Ltd. |
| May 1992 |
Released the original spring calculation software "Spring shop in Hamamatsu." |
| June 1993 |
Established Wuxi Sawane Spring Co., Ltd. |
| November 1997 |
International quality assurance standard ISO9001 to: 1994 Certification |
| May 2000 |
Certified to ISO14001 of Environmental Management System. |
| September 2001 |
Opened a spring shopping site "Spring Net." |
| March 2002 |
Won the special jury award of Japan IT Management Awards. |
| May 2003 |
Certified to ISO9001: 2000 version. |
| October 2003 |
Celebrated10th anniversary of Wuxi Sawane Spring Co., Ltd. |
| August 2004 |
Finished construction of the new factory building(Construction Phase 1). |
| December 2004 |
Finished construction of the new factory and warehouse building, and washing and development building (Construction Phase 2). |
| May 2005 |
Shifted to self-declaration in conformity of ISO14001: 2004 version. |
| February 2006 |
Won the Grand Prize of Shizuoka IT Management Support Award. |
| February 2006 |
The Hamamatsu Chamber of Commerce recognized "Stock Spring" as " Yaramaika Hamamatsu brand." |
| January 2007 |
Changed the joint venture partner of Wuxi Sawane Spring Co., Ltd. to First Automobile Works Group. |
