Cost of living in Narva (Estonia) is 5% cheaper than in Zhengzhou (China)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 65 prices entered by 6 different people.
For example, to keep the same standard of living that would require 12,000元 in Zhengzhou you would need to make just about 11,425元 (€1,479) in Narva.