Australian credit lines to China are small beer among 18 money centres in the thick of the transformation of the world capital market."Internationalisation of the renminbi will, over time, see China's financial relations with the rest of the world broaden and deepen to match China's trade relations and the size of its economy," two Australian academics assert in a new paper.Kathleen Walsh, from ANU and consultant Geoff Weir of Financial Sector Services led the work.In the category of Renminbi Qualified Foreign Institutional Investor, or RQFII quota for investing in China's capital markets, Australia's contribution is 50 billion yuan.European money centres are at 80 billion yuan and Hong Kong at 270 billion yuan.Hong Kong was first with renminbi swap lines to China in 2003. Its swap line of  400 billion yuan is twice Australia's.