Cost of living in Lahore (Pakistan) is 41% 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 922 prices entered by 124 different people.
For example, to keep the same standard of living that would require 元9,000 in Zhenjiang you would need to make just about 元5,275 (₨98,534) in Lahore.