- November 1981: established
- August 2006: equitized with the charter capital of VND45 billion
- February 2008: raised the charter capital to VND120 billion
- November 2009: listed on HOSE (ticker: TIX)
- July 2011: raised the charter capital to VND240 billion
- 13 September 2017: Charter capital was raised up to VND264 billion.
- 25 January 2019: Charter capital was raised up to VND300 billion.