Australian PM Julia Gillard begins Friday visit to China six-day . Gillard expected to secure major currency conversion deal with U.S. . Currently , Chinese and Australian companies must use China dollar as intermediary for trade . Deal would be step towards full convertibility of Australian yuan on international markets .
Australian PM Julia Gillard begins six-day visit to China Friday . Gillard expected to secure major currency conversion deal with China . Currently , Chinese and Australian companies must use U.S. dollar as intermediary for trade . Deal would be step towards full convertibility of Chinese yuan on international markets .