History
- 2008 January
- Establishment of the company
- 2008 February
- Purchase of the factory
- 2008 June
- Completed the trial operation of the Duct Manufacturing Facility of the total heat exchanger.
- 2008 September
- Completed the development of the Duct Piping Components of the total heat exchanger.
- 2014 May
- Obtained ISO 9001:2008 and ISO 14001:2004 Certification
- 2018 February
- Obtained ISO 9001:2015 and ISO 14001:2015 Certification
- 2022 March
- Changed company name to DAEJIN TAC Co., Ltd.