Yarech Kader was making around £300 a day selling fake cigarettes and rolling tobacco from a shop in Swansea.
Wireless communication system would identify if a cartridge plugged into an e-cigarette is a genuine Njoy product.
The 2023 crackdown netted 60m fake cartridges and 77,000 e-cigarette devices, according to CEO Kate Wang.
Thousands of knock-off products were seized in an operation focused on Johannesburg and Cape Town.
Seals – however basic – can play a central role in identifying location, method and often perpetrators of cargo theft.
Markets across the UK are taking part in a re-launched Real Deal campaign to protect businesses, customers from harm.