A woman working in a Chinese textile factory that exports clothing to the US and Europe
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China now world's 'biggest trading nation', says report

China and the US are the world's two biggest economies. But which one of them is the most powerful when it comes to trade?

According to one report, China has now overtaken the US to become the world's biggest trading nation based on physical goods.

So what's behind China's rise? Martin Patience explains from Beijing.