Wang-Lo was the manager of the way-station at Cheng-Ting during the late 13th century.
In 1289, he was instructed to send the Doctor's TARDIS to Shang-Tu but was deceived into giving it to Kuiju. He informed Ian Chesterton that Ping-Cho had been robbed. (TV: Marco Polo)
According to another account, his way-station was instead located at Lan-Chow. (PROSE: Marco Polo)