Tu Van Dau Tu Xay Dung Mai Hoang LTD Address: No 31, Ly Tu Trong Street, Civil Group 6, Minh Khai Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100250637 Phone: 02193241080 Representative: Tran Van Tuyen Adress: Civil Group 17, Nguyen Trai Ward, Ha Giang City, Ha Giang Province Minh Khai Ward, Ha Giang City, Ha Giang ProvinceFounding date: 28 - 5 - 2008