Cost of living in Minatitlan (Mexico) is 17% 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 less than 10 prices entered by less than 5 different people.
For example, to keep the same standard of living that would require 9,300元 in Zhenjiang you would need to make just about 7,744元 (Mex$ 22,536) in Minatitlan.