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SEI Thai Electric Conductor Co., Ltd. (STEC)
: 27 April, 2012
: 2,010,000,000 THB
: Sumitomo Electric Industries, Ltd.
: S.E.I. Thai Holding Co., Ltd.
: Sumitomo Electric (Thailand) Ltd.
Sep. 2014
: Started operation of Aluminum electric wire for automotive and Aluminum rounded bar.
Jan. 2015
: Started operation of Copper drawn wire.
May. 2015
: Started operation of Copper wire rod.
Sep. 2016
: Started operation of Aluminum wire rod and wire.
STEC Principles
  • To be a leading manufacturer of copper wire rod and copper wire, aluminum wire rod, wire and bar, and aluminum electric wire for automotive wiring harness.
  • To enhance customer’s satisfaction of quality, delivery and technical support.
  • To comply the laws and regulations of Thailand and each customer’s countries.
  • To contribute societies through its business activities, including the provision of products, technologies and services that benefit society.
Copyright © 2017 SEI Thai Electric Conductor Co., Ltd. All RIGHTS RESERVED.