- Building domestic and international transport works.

- Building industrial, civil, irrigation, agricultural, forestry, pisciculture and under 35KV electric line works.

- Digging and covering work space.

- Investing in infrastructure construction of residential and urban areas.

- Producing and trading building materials.

- Other under the business lience.

- 1956: The road overhaul team under the Vietnam Railway Administration was established;

- 2003: Converted to a joint stock model with a charter capital of VND18 billion;

- 2009: Raised charter capital to VND44 billion;

- 2010: Officially listed on the Hanoi Stock Exchange (HNX);

- 2011: Raised charter capital to VND61 billion;

- May 07, 2020: Delisted from the Hanoi Stock Exchange (HNX);

- May 15, 2020: Traded on UPCOM market.