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Chalco Acquires Controlling Stake in Brazil's CBA for $4.69B

2/3/2026

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Summary

Story summary

China's Aluminum Corporation of China Ltd. (Chalco) will buy controlling stake in Companhia Brasileira de Alumínio from Votorantim Group for 4.69 billion reais.
Chalco will hold 67% and Rio Tinto Group 33% in a joint venture.
CBA is Brazil's only fully integrated aluminum producer, with an alumina refinery, a smelter, and bauxite mines powered by renewables.
The deal strengthens strategic ties and expands in Latin America’s aluminum market.

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Story summary

China's Aluminum Corporation of China Ltd. (Chalco) will buy controlling stake in Companhia Brasileira de Alumínio from Votorantim Group for 4.69 billion reais.
Chalco will hold 67% and Rio Tinto Group 33% in a joint venture.
CBA is Brazil's only fully integrated aluminum producer, with an alumina refinery, a smelter, and bauxite mines powered by renewables.
The deal strengthens strategic ties and expands in Latin America’s aluminum market.