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.