- To design, manufacture and install oil drilling rig platform, structural metal products, tanks, reservoirs

- Construction of petroleum projects, construction of civil, industrial and river ports.

- Shipbuilding, drilling rig on land and offshore.

- To manufacture mechanical equipment for sector of petroleum, ports and waterways.

- October 20, 1983: Formerly Steel Structure Enterprise, was established;

- August 19, 1995: Equipment Installation and Metal Structure Enterprise was established, based on merger between Steel Structure Enterprise and Installation Team No.9;

- September 28, 1995: Renamed as Assembly and Metal Structure Enterprise;

- December 21, 2007: Transformed and Renamed as Petroleum Equipment Assembly and Metal Structure Limited Company;

- November 26, 2009: Equitized with charter capital of VND200 billion;

- June 02, 2010: Officially traded on Ho Chi Minh Stock Exchange (HOSE).

- November 12, 2011: Increased charter capital to VND375 billion

- June 14, 2013: Increased charter capital to VND406 billion.

- December 06, 2013: Increased charter captial to VND500 billion;

- December 15, 2015: Increased charter capital to VND600 billion;