Nghiem Ba Nguyen

Cao Bang Cast Iron & Steel JSC engages in the manufacture, trade, export, and import of iron and steel. It also trade construction material. The company was founded on October 5, 2006 and is headquartered in Cao Bang, Vietnam.

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.

Thai Nguyen Non-Ferrous Metal JS engages in precious metal ore mining. Its activities include mining and processing of ferrous and precious metals, iron ore, non-ferrous ore, and non-ferrous metal; chemical mining and mineral fertilizer products; and production of iron, steel, and cast iron. The company was founded on May 10, 2005 and is headquartered in Thai Nguyen, Vietnam.

Minerals Joint Stock Company N03 - VIMICO engages in exploration, exploitation, processing and trading of minerals. Its other activities include project planning, investment consulting, construction of geological works, mining, mineral refining and processing works, construction of civil, industrial, traffic, irrigation, installation residential electricity, and industrial electricity. The company was founded on August 4, 1992 and is headquartered in Lao Cai, Vietnam.