Dau Tu Va Du Lich Ong Vang Joint Stock Company Address: No 279 Tan Mai, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109999767 Phone: 0926223386 Representative: Nguyen Tien Duong Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 17 - 5 - 2022