The old duck fan soup is based on a thousand-year tradition and secret formula, with the selection of high-quality ducks combined with dozens of high-quality materials, such as chinese herbs, in a new process, while developing individualized ingredients for soup production, a combination of secret formulas and modern technology. The old duck fan soup tastes deliciously, the fine taste of the fan, the sweet taste of the duck larvae, the smell of the fragrances, the fragrance of the product, the taste of the fragrance, the taste of the fragrance, the fragrance of the fragrance, the fragrance of the fragrance, the fragrance of the fragrance, the fragrance of the fragrance, and the venom of the venom, as well as the venom of the venom and of the yang. It is precisely because of its nutritionally delicious, convenient, age-appropriate and, once introduced, highly appreciated and recognized by a wide range of consumers, that the product is fast and good in shanghai and has become a new tr...