This article from Ad Age explains the huge potential of Petfood in China, a country with 40 million pets, but with only 5-6% of the pet population being fed commercial food. Lots of dog owners, especially the older ones, cook for their pets. Some of them combine home-cooked with dry commercial food.
It's the second-largest pet population in the world behind the U.S. But commercial food coverage is the lowest in the world."
Image source: Ad Age