Information Products Announcement of transfer operations such as the after-sale services for "Diamond Express" and "Diamond Window" 22.07.2013
Information Notification of business base relocation along with the relocation of the head office in Tokyo 21.01.2013
Information Products Announcement of the discontinuation of the manufacturing of lla-type monocrystalline diamond products 07.01.2013
Information About designation of cobalt and its inorganic compounds as specified chemical substances vol.2 09.11.2012
Information About designation of specified chemical substances of cobalt by partial revision of laws and regulations 11.10.2012
Information Press Release Hokkaido Sumiden Commences Full Operation of New Plant for Indexable Insert Production 12.06.2012
Information Press Release Establishing cutting tool sales bases in Brazil, Indonesia and Turkey 10.05.2012
Information We launched the page about the recycling promotion activity of Sumitomo Electric Industries, Ltd. 11.04.2012
Information Press Release A massproduction base of cutting tools will be established in Changzhou, China. 25.04.2011