While our economy does in fact heavily depend on China...an argument can be made that China's economy depends more on us than ours on them.
"Mutually assured economic destruction"
I do not think China is nearly as reliant on the USA as you think.150 million Chinese are now considered middle class.How Omni-Channel Banking Fuels the Rise of China?s Middle Class
The EU is by far the largest trade partner China has for exports.
Even small countries like South Korea are huge trade partners at 162.7 billion in imports,compared to the USA at 122 billion in imports to China.
Total imports and exports between China and the USA account for 9.9% of Chinese trade.We only just tie with Australia who also has 9.9%.
We are much more dependent on them than they us.
China Balance of Trade | 1983-2015 | Data | Chart | Calendar | Forecast