Salted duck eggs are a specialty there.

Salted eggs, also known as salted duck eggs and salted duck eggs, are traditional foods in China, and the salted duck eggs produced in Gaoyou, Jiangsu are the most famous. Many China foods, such as zongzi and moon cakes, are also added with salted duck egg yolk. Among them, the more moon cakes there are in Guangdong, the more expensive duck eggs are in Huang Yue, and the top grade of yolk is "red and oily".