- Producing, trading steel structure, steel for construction and colorful metal.

- Producing electricity distribution equipment.

- Building industrial works.

- Ex-importing its products.

- Repairing, erecting electricity plants, hydropower.

- Transporting goods.

- Providing commercial brokerage.

- Working as agents for trading, depositing goods.

- Providing vocational training courses for learners at their request.

- Other business lines under the business license.

- 2004: the company was set up on the basis of conversion of Yen Vien Mechanics Plant;

- 2005: The company was officially put into operation with a charter capital of VND20 billion;

- 2009: Raised the charter capital to VND24.3 billion;

- October 06, 2010: Traded on UPCOM market;

- October 25, 2017: Charter capital was raised up to VND29,391,520,000;