Dau Tu Va Xay Dung Ngoc Mai Joint Stock Company Address: No 121, Bach Dang, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106637543 Phone: 0912311171 Representative: Le Vu Hung Adress: No 52, Lane 97, Thai Thinh Street, Thinh Quang Ward, Dong Da District, Ha Noi City Chuong Duong Ward, Hoan Kiem District, Ha Noi CityFounding date: 23 - 9 - 2014