What is the most successful boba company?

I'm curious to know, which boba company stands out as the most successful in the industry? Could you elaborate on the key factors that have contributed to their success, such as their unique offerings, marketing strategies, or customer loyalty programs? Additionally, have they expanded their operations globally, and if so, how have they managed to maintain their success on an international scale? I'm eager to gain insights into what sets this particular boba company apart from its competitors and how they've achieved such remarkable success.