Bao Hiem Xa Hoi Huyen Van Lang Address: Khu 1, Na Sam Town, Na Sam Town, Van Lang District, Lang Son Province Enterprise code: 4900762350 Phone: 02053880186 Representative: Nong Thi Phuong Thao Na Sam Town, Van Lang District, Lang Son ProvinceFounding date: 11 - 7 - 2013