Late-Yuán Salt-Bureau official; native of Tiāntái 天台 (Zhèjiāng). Active fl. 1334. Served as Salt-Bureau Director (Yánsī) of the Xiàshāchǎng 下砂場 salt-works near present-day Shànghǎi during the Yuántǒng era. Supplemented and completed the Áobō tú 熬波圖 (KR2m0045)—the unique surviving Yuán-period illustrated manual on salt-manufacturing—building on an earlier draft by a former Director of the same office. Precise life-dates and biographical details not transmitted.