Leggy - you of all people should know about the value of stats.
China's game plan was set up for a defensive game and concede possession to Oz but contain their wing play and crosses into the box. 4 at the back with LB rather than LWB, a screening CDM and two other mids sitting deep.
Their problem was they had no "individual brilliance" in the midfield to quickly transition into a counterattack (Wu lei as sole striker and Sun Ke on the wing as main targets due to their speed).
I thought Oz were not looking great at half time, but as Patrick said, following the first goal the whole game changed and they did start to attack more through the centre (in part due to China passing square in the middle and turning over possession cheaply.