EV Quick Charger CONNECTOR Assembly CHAdeMO Charger

Identification Material SUMITAG

Mil-Spec Wire Aerospace Wire

Fusion Splicers

With over 30 years experience of fusion splicer innovation, production and supply; Sumitomo Electric fusion splicers are used world-wide by network installers, fiber optic manufacturers, data center constructors and carrier grade network operators.

Optical Fiber

Lifeline of multimedia society High-density, small-diameter optical fiber cable

High Voltage Wire



Infrastructure is the fundamental facilities and systems serving a country, city, or other area, including the services and facilities necessary for its economy to function.


The Sumitomo business was started in Kyoto, the historic capital city of Japan,

Sumitomo Electric (Thailand) Limited

in 17th by Masatomo Sumitomo and Riemon Soga. Masatomo is regarded as the spiritual founder of the Sumitomo Group. They opened copper refining business and a copper workshop there. Based on long experiences of copper related products, the Sumitomo Copper Rolling Works was established to manufacture copper wires (bare wires), copper plates. and copper rods, which is the formation of the Sumitomo Electric Industries Ltd (SEI).

Sumitomo Electric (Thailand) Limited


Sumitomo Electric (Thailand) Limited
54 B.B. Building, 15th Floor, Sukhumvit 21 Road, North Klongtoey, Wattana, Bangkok 10110 Thailand