Cost of living in Kanazawa (Japan) is 70% 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 65 prices entered by 9 different people.
For example, you would need at least 元18,660 (¥320,727) in Kanazawa to maintain the same standard of living that you can have with 元11,000 in Zhengzhou.