Derung language

Derung, Dulong (simplified Chinese:独龙; traditional Chinese:獨龍; pinyin:Dúlóng) or Trung is the Sino-Tibetan language of the Derung people of China. It is an unwritten language. It is thought that the Derung and Nu people are of the same origin and speak somewhat the same language. They share the same kinship terminology as well as other cultural features.