Truong Tieu Hoc Khanh Khe Address: Khanh Khe Commune, Van Quan District, Lang Son Province Enterprise code: 4900440071 Phone: 02053832005 Adress: Van Quan District, Lang Son Province Khanh Khe Commune, Van Quan District, Lang Son ProvinceFounding date: 7 - 12 - 2009