Cost of living in Poznan (Poland) is 18% 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 309 prices entered by 47 different people.
For example, you would need at least 12,986元 (7,142 zł) in Poznan to maintain the same standard of living that you can have with 11,000元 in Zhengzhou.