Cost of living in Kanazawa (Japan) is 76% 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 69 prices entered by 7 different people.
For example, you would need at least 21,110元 (¥339,451) in Kanazawa to maintain the same standard of living that you can have with 12,000元 in Zhengzhou.