Cost of living in Kofu (Japan) is 49% more expensive than in Zhenjiang (China)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on less than 10 prices entered by less than 5 different people.
For example, you would need at least 13,704元 (¥225,653) in Kofu to maintain the same standard of living that you can have with 9,200元 in Zhenjiang.