Delta One Vina LTD Address: 4th Floor, Udic Reverside1 Building, No 122 Vinh Tuy, Vinh Hung Ward, Hoang Mai District, Ha Noi City Enterprise code: 0111564139 Phone: 0983523390 Representative: Nguyen Thi Minh Thuy Vinh Hung Ward, Hoang Mai District, Ha Noi CityFounding date: 8 - 7 - 2026