Cika wannan jumla: 2009 ta gama ta nauyi dagawa Grand Slam da shan zinariya a
Wasannin kasa na kasar Sin tare da sakamako na kilo 125 a cikin kamawa, kilo 150 a cikin tsabta da tsalle-tsalle suna kara zuwa kilo 275. A gasar zakarun duniya ta 2009 ba ta iya ci gaba da rinjaye ta a kan nauyin kilo 75 kamar yadda Svetlana Podobedova na Kazakhstan ta shafe lambobin zinare uku, Cao ya bi ta don ɗaukar azurfa a cikin dukkanin fannoni uku. Daga baya a waccan shekarar ta wakilci kasarta a Wasannin Asiya ta Gabas inda ta dauki zinare tare da wasan kwaikwayon yau da kullun na 252 kg.