PT Aneka Tambang Tbk is an Indonesia-based mining company. It is engaged in the business of mining various types of minerals, and of mining-related industry, trade, transportation, and mining sector services. The Company operates through three segments: Nickel, Precious Metals and Refinery, and Bauxite and Alumina. Its Nickel segment is comprised of ferronickel and nickel ore sales. Its Precious Metals and Refinery business segment consists of gold commodity, silver and precious metals processing and refinery services. Its gold and silver are sources from its underground gold mines at Pangkor, West Java and Cibaliung, Banten. Bauxite contains alumina (AI203) and a mixture of silica, various iron oxides, and titanium dioxide. It has three ferronickel smelters (FeNi II, III, and IV) with four production lines. The Company’s subsidiaries include Asia Pacific Nickel Pty., Ltd, PT Indonesia Coal Resources, PT Antam Resourcindo, PT Mega Citra Utama, and PT Emas Antam Indonesia, among others.