■2021/10/27■　Update certification registration ISO9001 in 2021
■2014/06/16■　Updated the website
■2014■ Established joint venture company in Thailand (K.S. HOTANI THAILAND)
■2013/01/15■　Updated Greeting from the President page
■2011/11/16■　Updated Corporate Profile page
■2010/03/01■　Added East Japan Office information, Corporate Profile page
■2009/08/08■　Momoyama Factory started.　Access to Momoyama Factory
■2009/05/20■　Renewal the website.
■2008/11/--■　Installed cleaning equipments at Salzgitter Flachstahl in Germany.