Cost of living in Orsk (Russia) is 25% more expensive 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 75 prices entered by 10 different people.
For example, you would need at least 元13,739 (руб 134,033) in Orsk to maintain the same standard of living that you can have with 元11,000 in Zhengzhou.