Cost of living in Santa Ana, California (United States) is 91% more expensive than in Zhenjiang (China)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 217 prices entered by 21 different people.
For example, you would need at least 元18,343 ($2,849) in Santa Ana, California to maintain the same standard of living that you can have with 元9,600 in Zhenjiang.