It originated in shanghai in the 1920s and is home-grown shanghai snacks, which, with their popular presence in shanghai and the gangnam region, have since the 1930s seen the emergence of specialized shops. The valleys are characterized by soothing, juicy, fragrance, fine, and one of the favorite foods for consumers, and the valleys are made into a representative specialty. In the present century, the valleys were born in qingdao, with traditional production skills and the incorporation of the healthy, green and balanced diets of the new age's eaters, creating a unique shanghai-based frying that integrates traditional and maritime characteristics. The valleys are full of scavenging buns, white-skinned perfumes, and the bottom is green and soft, so that they can eat hot. The fragrance of the juice, the fragrance of the flesh, the fragrance of the skin, and the sesame and onions, make the mouths of the eaters fragrance and taste infinity. In keeping with the manual hand-packing method, the valleys contain each fermentation with a hand-held temperature, seeking to fit each skin with a perfect taste under the frying pan, making it possible for each bag to be fertilized, and allowing the temperature in the bag to pass to everyone. It's a unique, secret formula that makes you feel something unique that you won't taste in any other shop. The zangdong valley has made the shop boom and has a high rate of run-off. It's the traditional food of our country. Consumers everywhere love it!