Cost of living in Veracruz (Mexico) is 23% cheaper than in Zhenjiang (China)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 119 prices entered by 11 different people.
For example, to keep the same standard of living that would require 元9,600 in Zhenjiang you would need to make just about 元7,391 (Mex$ 21,812) in Veracruz.