chapter 635 Underground boxing

Devin gently clinked his wine glass with Han's and began his story.
"Since the 1980s, the underground black boxing industry has quietly risen on a global scale. Today, it generates nearly a hundred billion dollars in revenue each year."
"Does the black boxing industry really make that much money?" Han was slightly surprised.
Devin said, "You're not part of the circle, so you may not understand black boxing.
Furthermore, compared to foreign countries, China's underground black boxing...