Ban Quan Ly Du An Dau Tu Xay Dung Huyen Hoang Su Phi Address: Khu Ii, Vinh Quang Town, Hoang Su Phi District, Ha Giang Province Enterprise code: 5100296896 Phone: 02193831828 Vinh Quang Town, Hoang Su Phi District, Ha Giang ProvinceFounding date: 9 - 6 - 2009