Cities mull ban on e cigarettes in public even though China is the biggest producer Global Times Elf Bar and other Chinese e cigarette makers dodged US customs and taxes AP News China's Flavour Ban, The Risk of Black Market Products and The Key Role of Flavouring in Harm Reduction Tobacco Harm Reduction China e cigarette titan behind 'Elf Bar' floods the US with illegal vapes Reuters Smart Vape : c'est quoi cette cigarette lectronique ressemblant un portable qui inquite les autorits ? Vaping in China: A burgeoning market awaits regulation CGTN