Final answer:
The most productive regions of China in terms of wealth and industry are the eastern coastal areas and the southeastern region. Cities like Shanghai and Beijing are highly productive and wealthy areas.
Step-by-step explanation:
The most productive regions of China, in terms of wealth and industry, are primarily located in the eastern coastal areas and the southeastern region of the country. These regions have experienced rapid industrialization and economic growth, attracting migrants and becoming core industrial centers. Cities like Shanghai and Beijing are examples of highly productive and wealthy areas in China.