Thuong Mai Va Dich Vu Ruby Travel LTD Address: No 18, 79 Nguyen Khang Lane, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0111420585 Phone: 0877773896 Representative: Nguyen Duc Quy Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 19 - 3 - 2026