Truong Mam Non Son A Address: Ao Luong I Hamlet, Son A Commune, Van Chan District, Yen Bai Province Enterprise code: 5200499321 Phone: 02163879943 Representative: Vu Thi Yen Adress: Ao Luong I Hamlet, Van Chan District, Yen Bai Province Son A Commune, Van Chan District, Yen Bai ProvinceFounding date: 22 - 3 - 2010