(historical) A government official in charge of the salt trade and salt taxes; the office was abolished in 1937 and reorganized into the Salt Administration Bureau. Also referred to as [[盐运司|鹽運司|yan2 yun4 si1]]

(historical) Official in charge of the transport of tax grain, money, and other goods during the Tang, Song, and later dynasties; often held significant regional administrative or financial power.