Ningpo, also known as Ningbo, is a port city in Zhejiang Province, China, that became significant in the context of the Treaty of Nanjing and its aftermath. Following the treaty, Ningpo was opened to foreign trade, reflecting the broader trend of China's forced engagement with Western powers and its shift from a largely self-sufficient economy to one increasingly influenced by international commerce. The opening of Ningpo facilitated both the flow of foreign goods into China and the export of Chinese products, altering traditional trade dynamics.