Profile of Sanri: It is a county under the Shannan area of ​​the Tibet Autonomous Region of the People's Republic of China. In Tibetan, it means "Tongshan." In the south of the Gangdese Mountains, the Yarlung Zangbo River is in the middle of the river valley. 230 kilometers away from Lhasa, the location is superior, the transportation is convenient, 2643.62 square kilometers, 17,000.