- To manufacture and merchandise lamps, wires, illumination devices.

- To merchandise civil and industrial illumination equipments and chemicals.

- Commercial brokerage.

- To consult, build and maintain civil and industrial power systems, electro-refrigeration systems.

- To construct industrial and civil projects, infrastructure.

- 1973: Dien Quang Light Company was founded.

- 1979: Dien Quang Light Plant was established on the base of the merger of three enterprises.

- 1989: Changed Dien Quang Light Associated Enterprise;

- 2005: Operated as a joint stock company;

- February 21, 2008: Traded on Ho Chi Minh Stock Exchange (HOSE);

- 2008: Joint venture with Venezuela Industrial Gas and Oil Group to build up the combination of economic light and offcially operated in 2012.