- Managing, maintaining railway infrastructure.

- Surveying, designing, monitoring and constructing transport works, civil and industrial works.

- Trading railway and road transport services and direct support services.

- Manufacturing and trading steel, concrete components, structures.

- Salvaging and responding to natural disasters, railway accidents.

- March 1955: Phu Lang Thuong Public Service Unit was established;

- 1965: Renamed as Ha Muc Railway Section;

- 1971: Renamed as Ha Huu Railway Section;

- 1980: Renamed as Ha Lang Railway Section;

- 1984: Renamed as Ha Lang Railway Management Enterprise;

- 20 March 2003: Transformed into Ha Lang Railway Management Company under the Decision No.734/2003/QD-GTVT issued by Ministry of Transport;

- 29 June 2010: Transformed into Ha Lang Railway Management Company Limited with a charter capital of VND16.5 billion under the Decision No.708/QD-DS issued by Vietnam Railways Corporation;

- 30 October 2015: Ministry of Transport issued the Decision No.3902/QD-BGTVT on approving the plan of equitizing Ha Lang Railway Management Company Limited into Ha Lang Railways Joint Stock Company;

- 30 December 2015: Put into operation under a joint stock company model with a charter capital of VND16.5 billion under the business registration certificate No. 2400152522 issued by Bac Giang Department of Planning and Investment;

- Since 28 November 2016: Traded on UPCOM market;