Cost of living in Poznan (Poland) is about the same as 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 412 prices entered by 51 different people.
For example, you would need at least 元11,185 (6,146 zł) in Poznan to maintain the same standard of living that you can have with 元11,000 in Zhengzhou.