Cost of living in Poznan (Poland) is 7% more expensive than in Zhengzhou (China)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 339 prices entered by 51 different people.
For example, you would need at least 元9,754 (5,360 zł) in Poznan to maintain the same standard of living that you can have with 元9,100 in Zhengzhou.