Cost of living in Orsk (Russia) is 29% 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 12 prices entered by 6 different people.
For example, you would need at least 元11,718 (руб 114,513) in Orsk to maintain the same standard of living that you can have with 元9,100 in Zhengzhou.