2013/12/11:	[Announcement] Completion ceremony of Sanda factory have been held.
2011/06/08:	[Site Update] The web site was redesigned.
2010/10/01:	[Announcement] We consolidated Hangzhou Tokuhatsu Spring Washer Co., Ltd. in China into Zhejiang Tokuhatsu Metal Products Corporation.
2009/08/17:	[Announcement] We consolidated the Head office and the Amagasaki factory into the Itami factory.
2008/05/14:	[Site Update] The web site was redesigned.