United Company RUSAL is the world’s biggest aluminium group, accounting for more than 10 per cent of global primary output as of 2011, and 13 per cent of all alumina. It was formed from the merger of Rusal, SUAL and the alumina assets of Glencore in 2007. It listed in Hong Kong in January 2010 in a US$2.1 billion initial public offering.

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