It was a tough year in 2016 for China's exporters due to tepid global demand, but some Chinese firms bucked the trend thanks to US president-elect Donald Trump.

Shenzhen Yongtaida Latex Crafts, a 2000-square metre factory hidden in a dilapidated industrial park in Shenzhen in southern China, was preparing to close its production line last weekend ahead of the Lunar New Year holiday after a busy 12 months.

The 16-year-old factory is one of the country's biggest latex mask manufacturers and it has exported more than 200,000 Trump masks over the past year, mainly to the US and Japan.

During the presidential election, Trump heavily criticised China, claiming it had stolen jobs from the US.