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RIO vs SID

Rio Tinto plc and Companhia Siderurgica Nacional S.A. (CSN)

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Rio Tinto plc

Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company operates through Iron Ore, Aluminium, Copper, and Minerals Segments. The Iron Ore segment engages in the iron ore mining, and salt and gypsum production in Western Australia. The Aluminum segment is involved in bauxite mining; and alumina refining, smelting, and recycling. The Copper segment engages in mining and refining of copper, gold, silver, molybdenum, and other by-products and exploration activities. The Minerals segment is involved in mining and processing of borates, titanium dioxide feedstock, and iron concentrate and pellets; diamond mining, sorting, and marketing; and development projects for battery materials, such as lithium. It also owns and operates open pit and underground mines; and refineries, smelters, processing plants and power, and shipping facilities. The company was founded in 1873 and is headquartered in London, the United Kingdom.

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Companhia Siderurgica Nacional S.A. (CSN)

Companhia Siderúrgica Nacional operates as an integrated steel producer in Brazil and Latin America. The company operates through five segments: Steel Industry, Mining, Logistics, Energy, and Cement. The company offers flat steel products, such as hot and cold rolled, galvanized, galvalume, pre-painted, and metal sheets products; coil, sheets, and derivatives; tiles and derivatives, pipes, and profiles; long steel products; food and chemical packaging solutions; and carbochemical products. The company also provides steel cutting services; produces and sells cement; operates railways; and generates electric power from its hydroelectric power plants. In addition, the company explores for iron ore reserves at Casa de Pedra and Engenho mines located in the city of Congonhas; as well as produces tin. Companhia Siderúrgica Nacional was founded in 1941 and is headquartered in São Paulo, Brazil.

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