The trong (or drung ) is a Langue spoken with the Yunnan in China, called dúlóng 独龙/獨龍 in Chinese. It is a Langue with tons group Tibéto-Burmese.

The language Anong, spoken by part of the Minority Naked, of it is very close, as well as the language Rawang of Burma.

The trong has like a certain number of languages of this family a system of agreements marking the subject and the object, but not of irregular verbs.