Lien Doan Lao Dong Huyen Van Lang Address: Khoi Dan Van, Khu 2, Na Sam Town, Van Lang District, Lang Son Province Enterprise code: 4900889438 Phone: 08053880007 Representative: Hoang Thi Dung Adress: Khu 8, Na Sam Town, Van Lang District, Lang Son Province Na Sam Town, Van Lang District, Lang Son ProvinceFounding date: 13 - 9 - 2022