| 2018 |
- 07 Founded TES engineering Inc.
- 08 Registered a first-class license for electrical engineering design.
Registered a professional supervision business license in the electric field.
- 10 Registered Engineering technical Sector. (Information and Communication)
Registered Engineering specialty. (information and communication)
- 11 ISO 9001 certification.
ISO 14001 certification.
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| 2019 |
- 02 Registered general firefighting facility design. (electric, mechanical)
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| 2020 |
- 02 Founded Gwang-ju Branch.
- 03 Registered Electrical Construction Business Registration Certificate.
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| 2021 |
- 05Founded Corporate Research Institute.
- 07Patent application. (Title of the Invention : Intelligent battery and PCS enclosure temperature management system to reduce power consumption)
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| 2023 |
- 02Founded Dae-gu Branch.
- 06Patent rights registration.
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| 2025 |
- 02 registered a comprehensive supervision business license in the electric field.
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