The fact is that China makes a lot of shit. Therefore China is the PRODUCER. (Obviously China has a lot of consumption, but in aggregate China is a net exporter so the country is more of a producer than it is a consumer)
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Therefore the US is the CONSUMER.
Sorry, again by all reasonable metrics, China is a MUCH bigger consumer than the US. Whether it is cars, air conditioners, pork, beer or electricity, China consumes in multiples of the US.
Think about this, China consumes the majority of global primary products like steel or cement. That is more than the rest of the world combined! It also consumes a majority of high-tech manufactured products like ships, HSR (80% of global total!) and green energy power.
Sorry, China is the global consumer. More so than the US.
China simply has a bigger economy. China exports are a side product of China's internal markets and their economy of scale both for costs and product advancement and iteration. Exports do not drive China's economy. China's consumer base drives exports because of the economy of scale they provide to China's companies.
Again, GDP PPP has China as a much bigger economy than the US.
Consumption figures has China eating up good in multiples of the US. It hints at an economy at least twice as large as the US.