Doi Quan Ly Thi Truong So 4 Address: Civil Group 3, Vinh Quang Town, Hoang Su Phi District, Ha Giang Province Enterprise code: 5100306329 Phone: 02193831168 Adress: Quang Binh District, Ha Giang Province Vinh Quang Town, Hoang Su Phi District, Ha Giang ProvinceFounding date: 13 - 8 - 2009