Cost of living in Gunsan (South Korea) is 5% 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 18 prices entered by 6 different people.
For example, you would need at least 元11,564 (₩1,953,002) in Gunsan to maintain the same standard of living that you can have with 元11,000 in Zhengzhou.