Cost of living in Chiba (Japan) is 161% 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 115 prices entered by 11 different people.
For example, you would need at least 28,711元 (¥472,757) in Chiba to maintain the same standard of living that you can have with 11,000元 in Zhengzhou.