A Decade of Trust Built
Carried Forward by a Century of Technology
| 2012 | 06 | Established MH Electric |
| 11 | 1P TRANSFORMER CE Certification 1P REACTOR CE Certification 3P REACTOR CE Certification | |
| 2013 | 11 | Development and supply of instant voltage compensation transformers and reactors (Welcosco) and others |
| 2014 | 10 | Supplied 1P TRANSFORMER for CE Certification (Railway Signal Control System) and others |
| 11 | Development and supply of special motor REACTOR (Hyosung Heavy Industries) and others | |
| 2015 | 04 | Development and supply of ESS Transformers and Reactors (LSIS) and others |
| 07 | Development and supply of PSC Transformers and Reactors (Hyundai Heavy Industries, RSA) and others | |
| 2016 | 09 | ISO 9001:2015 Quality Management System Certification |
| 10 | Development and supply of battery testing facility transformers and reactors (Phoenix Contact) and others | |
| 12 | Incorporated as MH Electric Co., Ltd. | |
| 2017 | 01 | Certified as an R&D Department |
| 04 | Certified as an Excellent Technology Evaluation Company | |
| 10 | Development and supply of PSC Transformers and Reactors (Hyosung Heavy Industries) and others | |
| 2018 | 01 | Development and supply of air-core reactor circuit breaker testers (LSIS, Load Bank) and others |
| 05 | Supplied 3P TRANSFORMER for CE Certification (Samsung Semiconductor Power Supply) and others | |
| 2019 | 11 | Development and supply of rectifier transformers (POSCO Malaysia) and others |
| 2020 | 05 | Acquired Patent No. 10-2113447 (Vibration-proof equipment) |
| 2022 | 01 | 3P TRANSFORMER CE Certification |
| 08 | Supplied 3P TRANSFORMER for NRTL Certification (Battery Testing Facility) and others | |
| 2023 | 02 | Supplied High-Frequency 1P REACTOR for NRTL Certification (Battery Testing Facility, Hyundai Mobis) and others |
| 04 | Supplied Rectifier 3P TRANSFORMER (Semiconductor Power Supply, DISCUS) and others | |
| 07 | Supplied Load Bank 3P REACTOR 4800kW (Shipbuilding Companies Hyundai, Samsung, Hanwha) and others | |
| 2024 | 02 | Supplied High-Voltage 1P TRANSFORMER (Uyang Sanjeon Sewage Treatment Plant) and others |
| 07 | Supplied Air-Core Reactor Extra High-Voltage 1P 22.9kV NGR (Gangwon Bundeok Solar Power Plant) and others | |
| 08 | Supplied High-Voltage 3P Load Bank REACTOR 11kV (DATE Data Center Load Bank) and others | |
| 2025 | 03 | Supplied Rectifier 3P TRANSFORMER 1600kVA (KPC) |
| 04 | Supplied Large-Capacity 1P TRANSFORMER 550kVA (Goseong Precision Materials) and others | |
| 06 | Supplied Large-Capacity High-Voltage 3P Starting REACTOR 3500kW (POSCO) and others |
A Decade of Trust Built
Carried Forward by a Century of Technology
| 2012 | 06 | Founded MH Electric |
| 11 | 1P TRANSFORMER CE Certification | |
| 11 | 1P REACTOR CE Certification | |
| 11 | 3P REACTOR CE Certification | |
| 2013 | 11 | Development and supply of voltage compensation transformer and reactor (Welcosco) and others |
| 2014 | 10 | 1P TRANSFORMER CE-certified supply (Railway signal control system) and others |
| 11 | Special motor REACTOR development and supply (Hyosung Heavy Industries) and others | |
| 2015 | 04 | ESS transformer and reactor development and supply (LSIS) and others |
| 07 | PSC transformer and reactor development and supply (Hyundai Heavy Industries, RSA) and others | |
| 2016 | 09 | ISO 9001:2015 Quality Management System Certification |
| 10 | Development and supply of transformer & reactor for battery test equipment (Phoenix Contact) and others | |
| 12 | Incorporated as MH Electric Co., Ltd. | |
| 2017 | 01 | Certified as R&D Department |
| 04 | Certified as Excellent Technology Evaluation Company | |
| 10 | PSC transformer and reactor development and supply (Hyosung Heavy Industries) and others | |
| 2018 | 01 | Air-core reactor test equipment development and supply (LSIS, Load Bank) and others |
| 05 | 3P TRANSFORMER CE-certified supply (Samsung Semiconductor power system) and others | |
| 2019 | 11 | Rectifier transformer development and supply (Malaysia POSCO) and others |
| 2020 | 05 | Obtained Patent No. 10-2113447 (Anti-vibration equipment) |
| 2022 | 01 | 3P TRANSFORMER CE Certification |
| 08 | 3P TRANSFORMER NRTL-certified supply (Battery test equipment) and others | |
| 2023 | 02 | High-frequency 1P REACTOR NRTL-certified supply (Hyundai Mobis battery test system) and others |
| 04 | Rectifier 3P TRANSFORMER supply (Semiconductor power system Discus) and others | |
| 07 | Load Bank 3P REACTOR 4800kW supply (Shipyards: Hyundai, Samsung, Hanwha) and others | |
| 2024 | 02 | High-voltage 1P TRANSFORMER supply (Uyong Sanjeon sewage plant) and others |
| 07 | Air-core high-voltage 1P 22.9kV NGR supply (Gangwon Bondoek solar plant) and others | |
| 08 | High-voltage 3P Load Bank REACTOR 11kV supply (DATE Center Load Bank) and others | |
| 2025 | 03 | Rectifier 3P TRANSFORMER 1600kVA supply (KPC) |
| 04 | Large-capacity 1P TRANSFORMER 550kVA supply (Goseong Precision Materials) and others | |
| 06 | Large-capacity high-voltage 3P starting reactor 3500kW supply (POSCO) and others |
INNOVATION
Optimal Solutions for a Sustainable Energy Future Together with Cutting-Edge Transformers and Reactors

| Company Name | MH Electronic Co., Ltd. |
| CEO | Jung-Hoon Park |
| Business Rgistration Number | 616-88-00540 |
| Address | 73-15, Onisan-ro, Daegot-myeon, Gimpo-si, Gyeonggi-do, Republic of Korea (Formerly: 117, Geomuldae-ri) |
Customer Support
| Business Hours | Mon - Fri : 9AM - 6PM |
| TEL | (+82) 31-985-15743 |
| FAX | (+82) 31-8048-4807 |
| mh4807@daum.net |
INNOVATION
Optimal Solutions for a Sustainable Energy Future
Together with Cutting-Edge Transformers and Reactors

| Company Name | MH Electronic Co., Ltd. |
| CEO | Jung-Hoon Park |
| Business Rgistration Number | 616-88-00540 |
| Address | 73-15, Onisan-ro, Daegot-myeon, Gimpo-si, Gyeonggi-do, Republic of Korea (Formerly: 117, Geomuldae-ri) |
| Customer Support | |
| Business Hours | Mon - Fri : 9AM - 6PM |
| TEL | (+82) 31-985-1573 |
| FAX | (+82) 31-8048-4807 |
| mh4807@daum.net | |
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