About Us
Global Competitiveness
Since 1979,
Obok Electric has specialized
in the design and manufacturing
of transformers and bus ducts.
With long-standing experience,
we produce and supply
high-quality products based on
proven expertise and accumulated know-how.
Company History
1979.03 Established Obok Electric Manufacturing Workshop
2013.07 Completed shipboard aluminum bus duct development testing (KERI & KOMERI)
2014.08 Qualified as a vendor for Hyundai Heavy Industries (PQ approval)
2014. 09 Factory relocation and expansion
2014. 12 Registered as a dry-type transformer supplier for SK Energy power distribution panels
2015. 01 Registered as a supplier for Air Products Korea (APK)
2016. 04 Bus duct patent registration
2016. 06 Registered as a supplier for LSIS (LS Electric)
2017. 08 Registered as a supplier for Hisano Electric (Japan)
2021. 12 Registered as a supplier for K Shipbuilding (formerly STX Offshore & Shipbuilding)
2022. 02 Registered as a supplier for Unison
2022. 05 Registered as a supplier for Hyundai Mipo Dockyard
2023. 03 Registered as a supplier for Daehan Shipbuilding
2023. 08 Registered as a supplier for Samsung Heavy Industries
2023. 09 Registered as a supplier for DSEC
2024. 01 Obtained UL certification (PRC / BLT models)
2024. 06 Factory expansion
2024. 07 Commenced production of cast resin transformers
2024. 10 Commenced OEM / ODM production of cast resin transformers for HD Hyundai Electric
Organization Chart
Departmental Contacts
Sales +82-(0)51-899-6301 obok@obokelec.com
Quality Control +82-(0)51-899-6390 ins@obokelec.com
Purchasing +82-(0)51-899-6321 pur@obokelec.com
Engineering (TR) +82-(0)51-899-6336 kim.jh@obokelec.com
Engineering (B/D) +82-(0)51-899-6335 sh@obokelec.com
Administration +82-(0)51-899-6317 obokg@obokelec.com
Certifications & Technology
Since our founding,
Obok Electric has continuously advanced its technology and services through relentless R&D to meet the evolving needs of our customers.
We will continue to strive to meet customer demands with the highest level of technology and expertise.
DRY TR IP-23 CERT
DRY TR IP-44 CERT
DRY TR IP-23 CERT
HV TRANSFORMER
DRY TR IP-44 CERT
CONTROL TRANSFORMER
BUS DUCT
BUS DUCT
BUS DUCT
BUS DUCT
BUS DUCT
BUS DUCT
Major Supply References
" A company you can trust —
we walk alongside you, every step of the way. "
For over 40 years,
built on the trust we have earned with our customers,
we remain steadfast in our commitment to meeting their needs — now and into the future.
" 고객이 만족할 수 있는
제품 생산을 위해 항상
노력하고 있습니다. "
