- Constructing civil, industrial and techical infrastructure works.

- Constructing interior components.

- Trading office and apartment for lease.

- 14 January 1993: HaiPhong Construction Company No3 was established on the basis of Design and Construction Enterprise under the Decision No.76/QD-TCCQ issued by Hai Phong City People's Committee; 

- 20 November 2002: Hai Phong City People's Committee issued the Decision No.3270/QD-UB on transforming HaiPhong Construction Company No3 into HaiPhong Construction Joint Stock Corporation No3;

- 25 December 2002: Put into operation under the model of a joint stock company with a charter capital of VND9,636,800,000;

- 2006: Became a public company;

- 25 September 2008: Charter capital was raised up to VND68,061,920,000;

- 23 May 2009: Charter capital was raised up to VND72,145,630,000;

- 24 September 2012: Charter capital was raised up to VND155,430,290,000;

- 11 July 2017: Traded on UPCOM market;

- 25 July 2018: Charter capital was raised up to VND170,957,580,000;