His 1349 account of his travel, Dao Yi Zhi Lue (simplified Chinese: 岛夷志略; traditional Chinese: 島夷誌略; pinyin: Dǎo Yí Zhì Lüè; A Brief Account of Island Barbarians), is one of the few records documenting the early history of Singapore.
According to Wang, Liuqiu was a vast land of huge trees and mountains named Cuilu, Zhongman, Futou, and Dazhi.
They obtained salt from boiled sea water and liquor from fermented sugarcane juice.
The land's products included gold, beans, millet, sulphur, beeswax, deer hide, leopards, and moose.
They accepted pearls, agates, gold, beads, dishware, and pottery as items of trade.
Its people wore their hair in tufts, tattooed their bodies with black juice, and wrapped red silk and yellow cloth around their heads.
[7] The historian Efren B. Isorena, through analysis of historical accounts and wind currents in the Pacific side of East and Southeast Asia, concluded that the Pisheye of Taiwan and the Bisaya of the Visayas islands in the Philippines, were closely related people as Visayans were recorded to have travelled to Taiwan from the Philippines via the northward windcurrents before they raided China and returned south after the southwards monsoon during summer.