Song Da 12 JSC engages in the construction of hydropower infrastructure, industrial works, and commercial buildings. Its activities also include construction and installation of transport, irrigation, electricity works, post office and power system; business of construction materials; provision of supercargo loading shipping services; repairing services of ships, barges, vehicles and construction machineries. The company was founded on February 1, 1980 and is headquartered in Ha Noi, Vietnam.