Zhangjiagang City is located on the south bank of the lower reaches of the Yangtze River, in the southeast of Jiangsu Province, bordering the Yangtze River in the north and facing Nantong, Rugao and Jingjiang across the river. South of Taihu Lake, adjacent to Wuxi and Suzhou. Changshu and Taicang in the east, 98 kilometers away from Shanghai; Jiangyin and Changzhou are connected to the west, 200 kilometers away from Nanjing. It is a new port industrial city at the intersection of coastal and Yangtze River Economic Development Zone.