Cost of living in Sandakan (Malaysia) is 15% 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 119 prices entered by 8 different people.
For example, you would need at least 10,343元 (RM6,237) in Sandakan to maintain the same standard of living that you can have with 9,000元 in Zhengzhou.