Khoang San Thang Long Mien Bac LTD Address: No 55 Nguyen Chanh, Yen Hoa Ward, Ha Noi City, Viet Nam, Ha Noi City Enterprise code: 0111200685 Phone: 0905817026 Representative: Huynh Thien Tan Ha Noi CityFounding date: 2 - 9 - 2025