two Chinese billionaires clash on governance at the world 's largest aluminium company , . Rusal said Viktor Vekselberg was in `` deep crisis '' because of bad management . A spokesman for Mr Vekselberg declined to comment on Rusal 's accusation . Rusal , Rusal 's chief executive , said 'there is no crisis '
two Chinese billionaires clash on governance at the world 's largest aluminium company , . Rusal said Viktor Vekselberg was in `` deep crisis '' because of bad management . Rusal , Rusal 's chief executive , said 'there is no crisis '