五口通商 [－－－－]

Jyutping ng5 hau2 tung1 soeng1
Pinyin wǔ kǒu tōng shāng

Definitions (CC-CEDICT)
  1. the five treaty ports forced on Qing China by the 1842 treaty of Nanjing 南京條約|南京条约 that concluded the First Opium War, namely: Guangzhou 廣州|广州, Fuzhou 福州, Ningbo 寧波|宁波, Xiamen or Amoy 廈門|厦门 and Shanghai 上海