| March 2001 |
Kurata Corporation and Miura Industries Co., Ltd. were merged to form Keylex Corporation. |
| April 2001 |
The company became ISO14001-certified. |
| November 2004 |
Tianjin Keylex was established in Tianjin, China. |
| June 2006 |
Stamping shop was completed at the Yano Plant. |
| September 2006 |
The 3400t press machine became operational. |
| August 2007 |
The administration building at the head office was completed. |
| July 2008 |
The company was chosen by the Ministry of Economy, Trade and Industry as one of ‘300 Japan’s Vibrant Monozukuri (manufacturing) small and medium-sized companies’. |
| September 2008 |
The parts warehouse building at the head office was completed. |
| October 2012 |
Mukaihara Corporation was established in Akitakata-shi, Hiroshima Prefecture. |
| November 2012 |
Y-Tec Keylex Mexico S.A. DE C.V. was established in Salamanca, Mexico. |
| February 2013 |
Summit Keylex (Thailand) Co.,Ltd was established in Thailand. |
| November 2014 |
The company became ISO/TS 16949-certified. |
| April 2017 |
The company absorbed its subsidiary Sunmech Corporation. |
| November 2018 |
Y-tec KEYLEX International Corporation was established. |
| February 2019 |
Y-tec Keylex Toyotetsu Alabama,Inc.was established in USA. |
