Truong Trung Hoc Co So Hoang Viet Address: Hoang Viet Commune, Van Lang District, Lang Son Province Enterprise code: 4900237707 Phone: 0205880073 Representative: Vy Thi Chiem Adress: Khu 6, Van Lang District, Lang Son Province Hoang Viet Commune, Van Lang District, Lang Son ProvinceFounding date: 29 - 12 - 2005