Niudiaolong is also called Niuliu. It is no problem to wrap jiaozi with it. The tenderloin is used for stuffing, and the wrapped jiaozi is very fresh and tender. Cattle hanging dragons is a Cantonese saying, because this part of the meat is fat and moist, with distinct taste, fresh and sweet taste, full of juice, which is a perfect match for eating hot pot. You can also try it.