ISO 639-3: mlc
||147,000 (1999 census).
||San Chay mainly in Tuyen Quang, Bac Can, and Thai Nguyen provinces; also scattered in Yen Bai, Vinh Phuc, Phu Tho, Bac Giang, Quang Ninh provinces.
Northern Viet Nam, reference number 8
||Cao, Caolan, Lan-Sán Chi, “Man Cao-Lan” , “Mán” , San Chay, San Chi, Sán-Chi
||Maintain some features from Northern Tai [nod].
||Tai-Kadai, Kam-Tai, Be-Tai, Tai-Sek, Tai, Central
||The official San Chay nationality. Reportedly came from China in the 19th century. May speak a form of Yue Chinese [yue]. Tonal. Traditional religion.