Cost of living in Gunsan (South Korea) is 23% 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 81 prices entered by 9 different people.
For example, you would need at least 元13,535 (₩2,278,392) in Gunsan to maintain the same standard of living that you can have with 元11,000 in Zhengzhou.