Truong Mam Non Son Thinh Address: Phieng 1 Hamlet, Son Thinh Commune, Van Chan District, Yen Bai Province Enterprise code: 5200466407 Phone: 02163570369 Representative: Le Thi Tu Adress: Khu 4, Van Chan District, Yen Bai Province Son Thinh Commune, Van Chan District, Yen Bai ProvinceFounding date: 8 - 10 - 2009