Лайтяу
In Lai Châu Province, Vietnam, Mang is spoken by 2,200 people in the districts of Sìn Hồ, Mường Tè, Phong Thổ, and in other nearby areas (Gao 2003:1), including in Nậm Ban Township, Sìn Hồ District, Lai Châu Province. In China, Mang speakers numbered 606 people in 1999. The Mang of China claim to have migrated from Vietnam in recent times. Gao's (2003) Mang data is from Xinzhai 新寨, Nanke Village 南科村, Jinshuihe Township 金水河镇.