Goubangzi smoked chicken has a shelf life of 7 days at room temperature and is refrigerated for one month. Goubangzi smoked chicken was founded in the fifteenth year of Guangxu in Qing Dynasty. Yin Yucheng, the founder of Goubangzi Smoked Chicken, met Guangxu Imperial Chef for doing good deeds, got the secret recipe of court smoked chicken, and built a smoked chicken workshop called "Goubangzi Smoked Chicken". Sixteen fine processes, known as the first of the "four famous chickens" in China, are famous all over the world.

The production technology of Goubangzi smoked chicken is exquisite, including sixteen working procedures such as live chicken selection, quarantine, slaughter, shaping, cooking, smoking and baking. Cooking materials are very particular. In addition to adding more than 20 kinds of spices, Laoyuan Tonga insists on using traditional white sugar to smoke and bake, and it must be accurate at the same time. First, the salt should be accurate and salty. Second, the temperature should be accurate, and people can't leave the pot. The third is to feed accurately and keep fresh and fragrant.