- Manufacturing and trading transformers, spare parts of power plants, power line accessories, electricity station, electrical panels

- Constructing and installing industrial and civil power works with up to 220KV.

- 1976: Electro Mechanical Repairing Plant under Power Company No.2 was established;

- 1995: Renamed as Electro Mechanic Plant;

- June 1999: Thu Duc Electro Mechanical Company was established under the Decision No.31/1999/QD-BCN issue by the Ministry of Industry;

- October 15, 2007: Ministry of Industry and Trade issued the Decision No.1092/QD-BCT approving the plan of equitizing and transforming Thu Duc Electro Mechanical Company into Thu Duc Electro Mechanical Joint Stock Company;

- January 02, 2008: Put into operation under the model of a joint stock company with a charter capital of VND69 billion;

- 2010: Increased the charter capital to VND80,730,000,000;

- November 29, 2012: Listed on Hochiminh Stock Exchange (HOSE);

- June 20, 2016: Increased the charter capital to VND114,730,000,000;

- 2019: Increased the charter capital to VND152,973,330,000;