Aluminium Corporation of China (Chinalco) SSE:601600 and Rio Tinto ASX:RIO have proposed to acquire 68.6% stake in Brazilian aluminium producer Companhia Brasileira de Aluminio BMFBOVESPA:CBAV3, known as CBA, for 4.69 billion reais ($903.61 million), Chinalco said on Friday.
($1 = 5.1892 reais)