- Manufacturing, trading and installing mechanical electric equipment used for lighting system, traffic signal accessories (street lighting poles, power mast).

- Engaging in bridges and roads investment projects.

- Real estate trading and leasing.

- 1978: Lugia Mechanical Company was established.

- 1999: Changed into Lu Gia Electric - Mechanical Joint Stock Company.

- 2006: Listed and traded on HOSE.

- 2013: Raised charter capital to VND151.5 billion.

- 2014: Renamed as CII Bridges and Roads Investment Joint Stock Company and increased the charter capital to VND225 billion.

- January 2015: Increased charter capital to VND582,17 billion;

- March 2015: Increased charter capital to VND 728,54 billion;

- September 2015: Increased charter capital to VND1.928,54 billion;