Tu Van Thiet Ke Kien Truc Va Noi That Hoang Gia. Joint Stock Company Address: No 98, Tran Hung Dao Street, 11 Tran Phu Civil Group, Ha Giang 2 Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100516196 Phone: 0961607900 Representative: Nguyen Tung Hoang Ha Giang City, Tuyen Quang ProvinceFounding date: 13 - 3 - 2026