China is a consuming economy, not an exporting economy anymore.

https://sg.finance.yahoo.com/news/china-economic-growth-steady-amid-021015173.html

China is able to boost its GDP by increasing its local consumption with stimulus measures.

Therefore, a US-China trade war has limited impact on China but significant impacts in other exporting countries.

https://sg-stock.blogspot.com/2019/04/the-slowdown-in-chinas-imports-will.html