Metals & Alloy
Tubes & Tapes
Water Treatment Membrane
Fusion Splicer & Accessories
Diamond CBN Tools
Data Center Solutions
Information and Communication Global Portal
Intelligent Transport Systems (ITS)
Power Generation Systems
IT Asset Management
Sumitomo Electric’s solutions are widely applied to various industries, including automotive, manufacturing, and telecommunications.
Sumitomo Electric is a Fortune Global 500 company that serves five major segments.
We manufacture diamond dies of high quality and long life using our rich know-how and product quality assurance derived from state-of-the-art equipment.
A dresser is a diamond tool for forming general whetstones and CBN wheels.
Our diamond cutting tool, provides super-precision machining, machining with long service life, high efficiency and high precision.