- Manufacturing motors, generators, power transformers, power distribution and control equipment and other electrical accessories.

- 1977: Electrical Equipment Factory No.4 was established;

- 1980: Electrical Equipment Factory was established through merging of Electrical Equipment Factory No.4 and Dinuco Factory;

- 1993: Electrical Equipment Factory No.4 was transferred to Ministry of Heavy Industry and re-established under the Decision No.121/QD/TCNSDT dated 13 March 1993 issued by Ministry of Heavy Industry;

- 14 July 1995: Renamed as Electrical Equipment Company under the Decision No.708/QD/TCCBDT issued by Ministry of Heavy Industry;

- 15 October 2004: Transformed into Electrical Equipment Limited Company under the Decision No.133/2004/QD-BCN issued by Ministry of Industry;

- 06 December 2007: Put into operation under the model of a joint-stock company with a charter capital of VND95 billion under the business registration certificate No.4703000463 issued by Dong Nai Department of Planning and Investment;

- 21 December 2009: Charter capital was raised to VND120 billion;

- 27 July 2016: Charter capital was raised to VND180 billion;

- 19 December 2016: Charter capital was raised to VND488 billion;

- 14 April 2017: Listed on Ho Chi Minh Stock Exchange (HOSE);

- 15 June 2017: Traded on Ho Chi Minh Stock Exchange (HOSE);

- May 26, 2021: Traded on Hanoi Stock Exchange (HNX);