To shed some light on Sino-Aussie trade, let's speak to Geoff Raby, former Australian ambassador to China and CEO at Raby Associates.

Q1) The delegation is bigger -- but mostly small companies, many of whom are coming for the first time. What sort of outcomes can you see? 

Q2) Aussie Prime Minister Malcolm Turnbull is meeting Chinese Premier Li Keqiang today -- what are we expecting on the subject of a high-speed rail link between Sydney and Melbourne? 

Q3) Chinese companies investing in Australia -- what do you see and what are some common mistakes?