Ngan Hong Trinh

Vietnam National Coal & Mineral Industries Holding Corp. Ltd. engages in exploring, investing, exploiting, processing, and selling of coal and minerals products. Its other activities include production and sale of industrial explosive materials and ammonium nitrate; investment, construction, and manufacture of electricity, and other activities related to main businesses. The company was founded on October 10, 1994 and is headquartered in Ha Noi, Vietnam.

Vinacomin Tourism & Trading JSC engages in provision of travel services. Its activities include tourism of festival, ecotourism, travel abroad, and domestic tourism; hotel and resorts business; airplane ticket booking; car leasing; and immigration services. The company was founded on September 25, 1996 and is headquartered in Ha Noi, Vietnam.

Vinacomin-Viet Bac Geology JSC engages in the provision of geophysical surveying, mapping and consulting services. Its activities also include geological exploration, water resources, mapping, construction of civil engineering and consultancy for exploration. The company was founded on December 27, 1958 and is headquartered in Ha Noi, Vietnam.