- About designation of cobalt and its inorganic compounds as specified chemical substances vol.2
- About designation of specified chemical substances of cobalt by partial revision of laws and regulations
- Hokkaido Sumiden Commences Full Operation of New Plant for Indexable Insert Production
- Establishing cutting tool sales bases in Brazil, Indonesia and Turkey
- We launched the page about the recycling promotion activity of Sumitomo Electric Industries, Ltd.
- Sumitomo Electric Launches New Cutting Tools Featuring Nano-Polycrystalline Diamond "Sumidia Binderless"