Cost of living in Santa Ana, California (United States) is 101% 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 303 prices entered by 27 different people.
For example, you would need at least 元18,450 ($2,691) in Santa Ana, California to maintain the same standard of living that you can have with 元9,200 in Zhenjiang.