Rio Tinto plc and Rio Tinto Limited operate as one business organization (Rio Tinto). Rio Tinto is a mining and exploration company. The Company’s business is finding, mining and processing mineral resources. Its major products include aluminum, copper, diamonds, energy products, gold, industrial minerals (borates, titanium dioxide, salt and talc), and iron ore. Rio Tinto’s activities are represented in Australia and North America. There are also businesses in South America, Asia, Europe and southern Africa. The Company’s product groups comprise: Aluminum; Copper and Diamonds; Energy and Minerals, and Iron Ore. Rio Tinto's business support groups include Exploration and Technology and Innovation. In January 2009, the Company completed the sale of its 50% equity share of the Alcan Ningxia aluminum joint venture in China to Qingtongxia Aluminium Group Co Ltd.