Is the meat in the Chinese hamburger with skin?

There are also three kinds of meat used in Chinese hamburger, pure thin, fat thin and fat skin. The seller only needs to see which one you want by name to know the history and eating method of Chinese hamburger. General young people, mostly women, like to eat pure thin; Some people who have eaten steamed stuffed buns for many years should be fat and thin, and this thing needs to be fat and thin to be fragrant; Hard-core diners want to eat fat skin, as the name implies, that is, skin and a little fat below it, fat but not greasy, sticky and slippery, which is a fine product in bacon.