The westernmost trading port in the Yangtze River valley during the First Opium War.

After the First Opium War, treaty of nanking only opened five trading ports, namely Fuzhou, Xiamen, Ningbo and Shanghai, so none of the above was established.

After the Second Opium War, the Tianjin Treaty opened Niuzhuang (later changed to Yingkou), Dengzhou (later changed to Yantai), Taiwan Province Province (later changed to Tainan), Danshui, Chaozhou (later changed to Shantou), Qiongzhou, Hankou, Jiujiang, Nanjing and Zhenjiang as trading ports.

Therefore, after the Second Opium War, Hankou A was the westernmost trading port in the Yangtze River Basin. ..