This can only depend on the date of production. You might as well cook your own food. Let me tell you a simple method of making sauce chicken wings. First, wash and blanch the chicken wings. 2. Pour out the boiling water, and then put a small amount of water into the pot. 3, put the cooked chicken wings in 4, add soy sauce, the amount is slightly more than 5, and finally add aniseed, onion, ginger, garlic and salt. 6. After boiling, stew with a small fire until it is dry. Seven, that's enough.