Hieu Quang Dang

Song Da 8 JSC engages in the construction industry. Its activities include construction of electrical buildings, traffic structures, civil and industrial buildings, water supply systems, underground tunnels, power transmission lines and transformers. The firm's other activities include manufacture of concrete products and structural precast concrete; investment in construction of industrial parks and urban areas; trade of bonds and import of construction equipment. The company was founded on November 2, 1996 and is headquartered in Son La, Vietnam.

Song Da 7.02 Hydroelectric JSC engages in the construction of hydro power, irrigation, transportation, and postal office. Its other activities include construction of water drainage system for urban area and industrial park; manufacture and trading of metal products; and import export business of transportation equipment. The company was founded in November 25, 2004 and is headquartered in Lai Chau, Vietnam.