In China, there are a growing generation of people coming from affluent families who reaped the benefits of China opening up it's markets globally. A country with the largest work force in the world has significant resources to concentrate it's developments on a few major cities. Beijing, Shanghai, Shenzhen, Chongqing to name a few are cities with extraordinary development outpacing it's smaller city compatriots.
To accommodate the concentration of wealth in these cities, a lot of businesses are focusing on the young affluent generation who seek a more cosmopolitan way of life. Unico is one of these bars, and it opens all night for those with enough money to not worry about having to show up to work the next day.