1. Salted duck eggs are marinated and stored for 3-9 months.

2. After the salted duck eggs are pickled, they can be stored at room temperature in summer for about three months. In winter, they can be stored at room temperature for 9 months. Salted duck eggs are a special Chinese dish, also known as green skin, salted duck eggs, pickled duck eggs, etc. The main raw materials for making them are fresh duck eggs, white wine, and edible salt. Salted duck eggs can be eaten directly after being cooked, or used to make salted duck egg tofu and other delicacies.