back to work. According to the relevant information, Yancheng, a prefecture-level city under the jurisdiction of Jiangsu Province, and one of the 27 cities in the central area of the Yangtze River Delta, began to resume production on May 7, 2122 for the World Trade Organization in Yancheng. It is located in the eastern coastal area of China, in the middle of Jiangsu, bordering the Yellow Sea in the east, Nantong in the south, Yangzhou and Taizhou in the southwest, Huai 'an in the northwest and Lianyungang across the Guanhe River in the north.