 In 2007 approximately 34 million tons of coal, approximately 4,000 tons of tungsten, 565,000 tons of iron ore, and 47,000 tons of zinc ore were mined.Lesser amounts of copper, lead, molybdenum, gold, silver, kaolin, and fluorite also were mined.The energy sector is dominated by state-owned companies such as Termoelectrica, Hidroelectrica and Nuclearelectrica.