Du Lich Va Su Kien Bien Bac – Chi Nhanh Ha Noi Joint Stock Company Address: No 25, 23 Do Quang Lane, Phuong, Thanh Xuan District, Ha Noi City Enterprise code: 5702182920-001 Phone: 0889222255 Representative: Tran Ngoc Linh Thanh Xuan Ward, Nam Tu Liem District, Ha Noi CityFounding date: 12 - 3 - 2026