Imanka

Imanka was a Hūrga Jurchen group in the Iman River valley, which runs west from the Sikhote-Alin to the Ussuri. Its communities lived by fishing, hunting and pig farming.

In the early fifteenth century the Ming established the Yima River Guard opposite present Hutou, on the Ussuri. The valley's chiefs traded furs and ginseng as tribute. Between 1596 and 1625 Nurhaci's forces subdued the Ussuri country, though some communities remained outside the banners.