Xay Dung Tu Van Thiet Ke Dong Bac 868 LTD Address: No 16, Civil Group 6, Ha Giang 2 Ward, Tinh Tuyen Quang, Viet Nam Enterprise code: 5100513780 Phone: 0986170634 Representative: Nguyen Hoai Tiep Tuyen Quang ProvinceFounding date: 10 - 1 - 2026