Qingdao is famous for its seafood, and one widely enjoyed delicacy in the Jiaodong region is sweet sun-dried fish. [Photo/WeChat account: qd12301]

Qingdao locals typically refer to air-dried fish made without adding salt as sweet sun-dried fish. The term "sweet sun-dried" does not mean that sugar is added without salt; rather, it refers to seafood products that are naturally air-dried without additional seasoning.