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  • Company Profile
  • Product Range
  • Contact
    • Introduction
    • Company History
    • Major Clients
    • Location
    • GISMA
    • Others
    • Request for Supply
  • Company Profile
    • Introduction
    • Company History
    • Major Clients
    • Location
  • Product Range
    • GISMA
    • Others
  • Contact
    • Request for Supply

  • Introduction


  • Since established in 1992, Jungjin Systems has been continuously striving to help the Korean Defense Industry by participating from R&D to supply of products.
    Also, Jungjin Systems has been focusing on important Korean Naval projects such as Jangbogo submarines, Torpedos, etc., and achieved the remarkable results.

  • Recently, Jungjin Systems took a second step toward a new field, Marine Renewable Energy Industry, and believes that our knowledge and effort can make another cornerstone in this new market.

  • Jungjin Systems promises to provide the best quality of products and services to our valuable customers to become a long and trustful company.



  • Best regards,

    The team of Jungjin Systems.






  • Company History


  • Aug. 2021~
  • 2021 DAPA Foreign Procurement
    - Contracted 30 underwater cable assemblies and connectors

  • Oct. 2020
  • Defense Security Support Command
    - Achieved security test 'Qualified'

  • Apr. 2019
  • Transited to a corporate company
    - Jungjin Systems Co., Ltd.

  • Jan. 2016
  • Completed and Obtained GISMA Connector Termination Training Course
    - for Series 22 Certificate

  • May. 2013
  • Completed and Obtained GISMA Connector Termination Training Course
    - for Series 10, Series 40, and PE-Cable Certificate

  • 2005~
  • Supplied underwater connectors, penetrators, and junction-boxes for submarine projects
    - Jangbogo-I, II, and III, Sonar system, Indonesia Navy and etc.

  • 1997~2010
  • Participated in R&D and supplied to Rotary Joint projects
    - Rotary joint for low-altitude detection radar, 'K-30 Biho'
    - Rotary joint for ship-to-ship guided missile, 'SSM-700K, Haesung'
    - Rotary joint for surface navigation radar, 'SPS-95K'

  • 1997~
  • Supplied to underwater launcher projects
    - White shark, Blue/Red shark, Sea decoy

  • 1992~1997
  • Participated in R&D and supplied to Precision guided munitions
    - White shark, Blue shark, and Sea decoy projects
    - Supplied A-cable assembly, Pressure Sensors, Pressure Switches, Sonic Generator, and etc.

  • Mar. 1992
  • Found Jungjin Systems. Inc.
    - Registered to Korea International Trade Association (KITA)
    - Registered to Korea Importers Association (KOIMA)






  • Major Clients








  • Location






(주)정진시스템 Jungjin Systems Co., Ltd. Business Reg : 226-86-01298 Managing Director : EuiSurk Choi

#808 Anyang Finance Center A.F.C, 260, Simin-daero, Dongan-gu, Anyang-si, Gyeonggi-do, 14067 KOREA

TEL : +82 (0)31-442-8913 E-mail : jungjinsys@gmail.com

Copyright ⓒ Jungjin Systems Co., Ltd. All rights reserved.