Tuan Hoang Bui

Alphanam Investment JSC engages in the manufacture and sale of construction materials, electrical equipment, and mechanical products. Its other activities include construction and installation of lifts and electrical voltage; production of plastic packaging; sale of agricultural products; and provision of car leasing, maintenance, and repair services. The company was founded in 1995 and is headquartered in Hanoi, Vietnam.

Thang Long Telecommunications JSC engages in the manufacture and sale of electric and telecommunication products. The firm produces and markets telecommunication equipment and materials, optical subscriber wires, and plastic pipes, as well as copper, optical fiber and low voltage electricity cables. It also involves in constructing civil works, installing telecommunication works, and designing wireless devices for communication works. The company was founded on March 18, 2004 and is headquartered in Ha Noi, Vietnam.