Phong Tai Nguyen Moi Truong Huyen Hoang Su Phi Address: Khu 3, Vinh Quang Town, Hoang Su Phi District, Ha Giang Province Enterprise code: 5100296014 Phone: 02193831159 Vinh Quang Town, Hoang Su Phi District, Ha Giang ProvinceFounding date: 6 - 6 - 2009