Truong Mam Non Xa Tan Thanh Address: Thau Hamlet, Tan Thanh Commune, Van Lang District, Lang Son Province Enterprise code: 4900889759 Phone: 02053888447 Representative: Trinh Thi Dung Adress: Khu 5, Na Sam Town, Van Lang District, Lang Son Province Tan Thanh Commune, Van Lang District, Lang Son ProvinceFounding date: 22 - 9 - 2022