Cost of living in Kanazawa (Japan) is 78% 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 79 prices entered by 11 different people.
For example, you would need at least 元19,546 (¥315,344) in Kanazawa to maintain the same standard of living that you can have with 元11,000 in Zhengzhou.