Trach Nhiem Han Mot Thanh Vien Duy Anh Address: Khu 3, Vinh Quang Town, Hoang Su Phi District, Ha Giang Province Enterprise code: 5100261075 Phone: 0912430550 Representative: Pham Ngoc Son Adress: Khu 3, Vinh Quang Town, Hoang Su Phi District, Ha Giang Province Vinh Quang Town, Hoang Su Phi District, Ha Giang ProvinceFounding date: 15 - 1 - 2009