Phong Giao Duc Huyen Van Lang Address: No 30, Khu Ga Street, Na Sam Town, Van Lang District, Lang Son Province Enterprise code: 4900235900 Phone: 0205880131 Representative: Vu Van Tu Adress: Van Lang District, Lang Son Province Na Sam Town, Van Lang District, Lang Son ProvinceFounding date: 29 - 9 - 2005