For example, Emperor Sky Entertainment produced some of the top superstars in China at most, but Stars Entertainment produced numerous international superstars, three of which had left the silver screen already but were still considered legends in China's entertainment industry.
Whether it was Emperor Sky Entertainment or the Age of Immortals, they all had some form of interaction with Stars Entertainment. Many assignments of artists from Emperor Sky Entertainment went through Stars Entertainment and they wouldn't dare to act insolently without approval from Stars Entertainment.
On top of that, Emperor Sky Entertainment was also required to hand over 10% of their profits to Stars Entertainment every day as their stock "percentage".