Truong Mam Non Xa Hoang Viet Address: Na Tenh Hamlet, Hoang Viet Commune, Van Lang District, Lang Son Province Enterprise code: 4900890641 Phone: 0977879893 Representative: Chu Thi Lanh Adress: Khu 3, Na Sam Town, Van Lang District, Lang Son Province Hoang Viet Commune, Van Lang District, Lang Son ProvinceFounding date: 28 - 10 - 2022