While every major fast food brand is available here (McDonalds, Pizza Hut, Burger King, Starbucks), KFC is colonizing China. Almost ever 500 feet I stumble across a KFC here. They’re omnipresent and packed. Literally every single once I come across is full of people at nearly every time of the day and the register almost always has a line at it. This article describes the phenomenon in detail:
http://www.time.com/time/asia/magazine/article/0,13673,501031124-543845,00.html