Inside a disposable vape factory in China China's youth increasingly taking up vaping of e cigarettes, despite health warnings and ban on sale to minors South China Morning Post U.S. regulators are stepping up enforcement against unauthorized products, especially imports from China. Only about 41 vape products are currently authorized for legal sale in the U.S. FDA's Searchable Tobacco Products Database China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters