China's tongue Salted duck, also known as osmanthus duck, is a famous specialty in Nanjing, one of the representatives of Jinling cuisine, and a Chinese geographical indication product. The salted duck has a long-standing reputation. The skin is tender, fat, not greasy, and delicious. It has been more than 2,500 years old. Before and after the Mid-Autumn Festival, the sweet-scented osmanthus is in full bloom.