Truong Mam Non Sao Mai Address: Luu I Hamlet, Tram Tau District, Yen Bai Province Enterprise code: 5200497395 Phone: 02163876646 Adress: Tram Tau District, Yen Bai Province Tram Tau District, Yen Bai ProvinceFounding date: 18 - 3 - 2010