South Street, Chongchuan District, Nantong City. According to Baidu map, there is a Nantong painting and calligraphy acquisition entity in Nanjie, Chongchuan District, Nantong City, which is a company specializing in the acquisition of painting and calligraphy collections. 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 a city in the central area of the Yangtze River Delta.