- 1998: Song Da 909 Joint Stock Company, formerly Song Da 903 Enterprise under Song Da 9 Company, was established.
- 2003: Song Da 903 Enterprise was renamed as Song Da 909 Joint Stock Company.
- 2006: Listed on Hanoi Stock Exchange (HNX).
- 2007: The company raised its charter capital from VND5 billion to VND15 billion.
- 2008: The company raised its charter capital to VND 29 billion.
- 2009: Increased charter capital to VND 44.49 billion.
- 2010: Increased charter capital to VND 80 billion.
- 2011: Increased charter capital to VND 99.99 billion.
- 2012: Increased charter capital to VND 124.96 billion.
- 2015: Increased charter capital to VND 370 billion.
- 2016: Increased charter capital to VND 388.49 billion.
- August 09, 2019: Increased charter capital to VND428.29 billion;
- June 03, 2020: Increased charter capital to VND524.26 billion.