![Customers leave a store of Chinese bubble tea chain Nayuki in Beijing. Reuters](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/J2FS4FJD5BDXBIBJBTLCV2B7NQ.JPG?smart=true&auth=14123ee8e69a46e63b81fcc7293a9fab6c9cdac6570b12308531e6d60edac244&width=400&height=225)
Customers leave a store of Chinese bubble tea chain Nayuki in Beijing. Reuters
Customers leave a store of Chinese bubble tea chain Nayuki in Beijing. Reuters
Couple become billionaires after the market debut of their bubble tea chain
Nayuki Holdings is valued at $3.8bn after listing on Hong Kong's stock exchange