Truong Trung Hoc Pho Thong Dong Yen Address: Dong Yen Commune, Bac Quang District, Ha Giang Province Enterprise code: 5100282237 Phone: 02193890162 Adress: Tan Quang, Bac Quang District, Ha Giang Province Dong Yen Commune, Bac Quang District, Ha Giang ProvinceFounding date: 23 - 4 - 2009