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 . Tension resulting from North Korea 's threat to launch missile attacks against U.S. allies in its neighborhood and even against the U.S. mainland also is expected to be raised . Deal would be step towards full convertibility of Australian yuan on international markets .
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 .