There are Muslim communities in most cities in China, but they are not particularly large outside of the North-West.
The picture I posted was described as a small Dapanji - Yes - small Big Plate Chicken. It came in two sizes. The small one was more than two very hungry people could get through.
小盘鸡 Xiao Pan Ji is probably the same - a smaller version. (Google has a whole three results for "Shopanji")