"Trump is a crazy man," says Lionel Xu, who is surrounded by his company's mosquito repellent kits – many were once best sellers in Walmart stores in the United States. Now those products are sitting in boxes in a warehouse in China and will remain there unless President Donald Trump lifts his 145% tariffs on all Chinese goods bound for the US. "This is so hard for us," he adds. Around half of all products made by his company Sorbo Technology are sold to the US. It is a small company by Chinese standards and has around 400 workers in...