- Manufacturing mining equipment, specialized equipment and electrical equipment.

- Consulting design of mechanical products and electric mechanical products.

- Repairing mining equipment, explosive equipment and specialized equipment.

- July 20, 1964: Formerly known as Uong Bi Electric Mechanical Factory, was established;

- 2005: Equitized and operated as a joint stock company;

- May 28, 2008: Increased charter capital to VND9.86 billion;

- April 29, 2010: Increased charter capital to VND14.79 billion;

- May 22, 2012: Increased charter capital to VND18.9 billion;

- September 24, 2015: Officially traded on UPCOM market;