- Generating and trading electricity.

- Investing, developing and operating power works.

- September 05, 2008: Truong Thanh Development and Construction Investment Joint Stock Company was established with a charter capital of VND50 billion under the business registration certificate No.0103026597 issued for the first time by Hanoi Department of Planning and Investment;

- August 2010: Increased the charter capital to VND292 billion;

- 2014: Increased the charter capital to VND352 billion;

- 2015: Increased the charter capital to VND698 billion;

- November 2016: Increased the charter capital to VND967 billion;

- 2019: Increased the charter capital to VND1,350 billion;

- July 07, 2020: Became a public company;

- August 18, 2020: Listed on Hochiminh Stock Exchange (HOSE); 

- September 18, 2020: Traded on Hochiminh Stock Exchange (HOSE);