But things get tougher as the world's second largest economy brakes and diners demand more. The response has been glitzier restaurants, larger menus – and a bit of a pretty nice food.
KFC is the largest US success story in China. The fried chicken chain entered the country more than 30 years ago and became the largest player with 6,000 outlets. McDonald's has about half of it.
"Being the first western fast food chain in China, it was an incredibly exciting offer just by being KFC," said Andrew Atkinson, senior marketing manager at China Skinny consulting firm.
Chicken wings have proven to be extremely popular in China, but analysts say KFC's success has been maintained by catering to Chinese tastes. The menu is full of local foods such as congee (rice porridge), Chinese style egg yolks and bubbly.
More Chinese than Western
It has also adapted Chinese enthusiasm to order food for delivery or retrieval on smartphone applications.
"They expect a mobile first experience," Garbe said.
KFC's Chinese mobile app has over 160 million users. More than two-thirds of orders in China are paid via smartphones, according to the company. ( had to learn quickly about the importance of digital platforms for food and beverages. Unlike fierce competition from the local start-up of Luckin Coffee, which bases its business on online orders through its app, Starbucks joined the internet giant ) Alibaba ( last year for to offer a similar service. )