I'm not an expert but your article shows the current account, not trade. And about the trade most of the sources say between 400-500b US$ of trade surplus per y

I'm not an expert but your article shows the current account, not trade. And about the trade most of the sources say between 400-500b US$ of trade surplus per year. Which means the exports are about 22% larger than the imports. For example here: https://wits.worldbank.org/CountryProfile/en/CHN https://wits.worldbank.org/CountryProfile/en/CHN