Khach San Hoang Ha Yen Bai LTD Address: No 56, Ngo Sy Lien Street, Dong Tam Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200939050 Phone: 0915739886 Representative: Trinh Duc Hoanh Dong Tam Ward, Yen Bai City, Yen Bai ProvinceFounding date: 29 - 8 - 2023