Thanh Tra Huyen Van Lang Address: Khu 2, Na Sam Town, Van Lang District, Lang Son Province Enterprise code: 4900891250 Phone: 02053880197 Representative: Ha Thi Kim Lien Adress: No 25, Khu Ga Street, Khu 2, Na Sam Town, Van Lang District, Lang Son Province Na Sam Town, Van Lang District, Lang Son ProvinceFounding date: 30 - 11 - 2022