Truong Tieu Hoc Va Trung Hoc Co So Trung Khanh Address: Trung Khanh Commune, Van Lang, Lang Son, Van Lang District, Lang Son Province Enterprise code: 4900416713 Phone: 02053780026 Adress: Van Lang District, Lang Son Province Trung Khanh Commune, Van Lang District, Lang Son ProvinceFounding date: 29 - 10 - 2009