Cost of living in Volgograd (Russia) is 26% 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 64 prices entered by 11 different people.
For example, to keep the same standard of living that would require 元11,000 in Zhengzhou you would need to make just about 元8,110 (руб 78,480) in Volgograd.