WebBeihai (Chinese: 北海; pinyin: Běihǎi; Postal romanization: Pakhoi) is a prefecture-level city in the south of Guangxi, People's Republic of China. Its status as a seaport on the north shore of the Gulf of Tonkin has granted it historical importance as a port of international trade for Guangxi, Hunan , Hubei , Sichuan , Guizhou , and Yunnan ...