Hangu is a coastal city with profound historical and cultural heritage, and "salt soul and sea rhyme" is the essence of this city. The historical evolution of Hangu changes frequently. The Tang Dynasty was under the jurisdiction of Yong Nv and Wuqing County, and Qidan belonged to Xianghe. Jin Dading entered Baodi County in the 12th year (A.D. 1 172). In the 9th year of Yongzheng in Qing Dynasty (A.D. 173 1), it belonged to Ninghe County. 1 949 March1Analysis of Ninghe Homeland Hangu Special Administrative Region, named after Hangu Village in China.
In ancient times, Hangu was spared by the sea and was born by the sea. Since ancient times, ancestors have made salt, fished and thrived here. Hangu salt industry began in the late Tang Dynasty, originated in Liao and flourished in gold, with a history of more than 1000 years. Hangu salt is white in color, big in grain and strong in taste, which was called jade sand in ancient times. White salt and salt bricks produced in Ming and Qing Dynasties are regarded as tributes. Hangu fishery is famous for its development. According to the "Ninghe County Records", "Two thousand years ago, Ninghe area boiled salt on the beach, and at the same time caught fresh water in rivers and Haize, which became the only producing area in Yining, and whitebait and purple crab surpassed it." Since the Ming Dynasty, whitebait has been included as a tribute. At this time, whitebait, crab and fiberboard knives are called the three treasures of the thistle canal.