The To-lang state was mentioned only once, but the Po-hwang state was mentioned many times as this state did sent envoys to China in the year of 442, 449, 451, 459, 464 and 466.
Negeri To-lang hanya disebut satu kali, tetapi negeri Po-hwang cukup banyak disebut, sebab negeri ini mengirimkan utusan ke negeri Tiongkok tahun 442, 449, 451, 459, 464 dan 466.