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.