Origin of Huai salt: named after Huaihe River crossing Jiangsu saltworks. Jiangsu saltworks are distributed in the embroidered needle estuary at the junction of Sulu and Shandong in the north and the inclined long coastal zone at the Yangtze River estuary in the south, spanning Lianyungang, Yancheng, Huaiyin and Nantong 13 counties, covering an area of 653 square kilometers. Jiangsu coast has the widest coastal beach in China, and the climate with four distinct seasons is suitable for sea salt production.
In the Qing Dynasty, there was a river governor in Qingjiang River, and Ganjia prospered because of its status as a river worker and the transportation center between the north and the south of Malaysia, with a population of more than 500,000. During the Ming and Qing Dynasties, Huaicheng was the governor of grain transportation, Huaibei Salt Transportation Department and Huai 'an Prefecture with a population of more than 300,000. Jiangcheng in Qing Dynasty is characterized by a transportation center and a large number of diners, such as sailors and porters, while Huaicheng is the residence of salt merchants, scholars and literati. After all, everyone who has the conditions has to live in the city. Economy and Culture of Huaicheng in Ming and Qing Dynasties