Cost of living in Volgograd (Russia) is 19% 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 20 prices entered by 8 different people.
For example, to keep the same standard of living that would require 元10,000 in Zhengzhou you would need to make just about 元8,069 (руб 72,061) in Volgograd.