Cost of living in Newcastle (Australia) is 72% more expensive than in Zhenjiang (China)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 94 prices entered by 7 different people.
For example, you would need at least 元16,014 (AU$3,196) in Newcastle to maintain the same standard of living that you can have with 元9,300 in Zhenjiang.