Cost of living in Newcastle (Australia) is 70% 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 176 prices entered by 14 different people.
For example, you would need at least 元15,610 (AU$3,264) in Newcastle to maintain the same standard of living that you can have with 元9,200 in Zhenjiang.