History

We will become a company that is trusted by customer who want safety and quality.

  • 2017
    • 10. Factory relocation
  • 2014
    • 01. Factory relocation
    • 02. Surge arrester with lead wire mass production to KEPCO
  • 2013
    • 11. Polymer COS(150BIL) mass production to KEPCO
    • 12. Surge arrester with lead wire joint development
  • 2012
    • 06. Technical cooperation type project agreement(KERI)
  • 2010
    • 02. Support insulator NSP-50(Polymer type) development
    • 05. Current limiting arcing horn joint development
    • 06. Venture company certified
    • 07. Surge counter development
  • 2007
    • 02. Established R&D; center
    • 05. Polymer surge arrester(18kV/5kA) Joint development
    • 12. Insulated rod (Teflon type No. 1, 2, 3) development
  • 2006
    • 03. Established WELCO Co., Ltd
    • 06. Began Disconnector sale
    • 09. ISO9001:2008/KSQ9001:2009 certified
    • 12. Polymer COS(150BIL) Joint development