Truong Trung Hoc Co So Dong Yen Address: Cao Street, Dong Yen Commune, Bac Quang District, Ha Giang Province Enterprise code: 5100262128 Phone: 02193890145 Adress: Tan Quang, Bac Quang District, Ha Giang Province Dong Yen Commune, Bac Quang District, Ha Giang ProvinceFounding date: 12 - 2 - 2009