Nantong Road, Jiangsu Province; Jiangsu Haimen Dieshi International Home Textile Hall; Home textile industry tourist area. According to the map, Nantong four-piece wholesale market is located in the home textile industry tourist area of Dieshi International Home Textile Hall in Haimen, Jiangsu Province, Nantong Avenue, Jiangsu Province, and is mainly engaged in the four-piece industry. Nantong, referred to as "Tong", was called Tongzhou in ancient times, also known as Jinghai and Chongzhou. It is 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.