Dau Tu O To Viet Trung Joint Stock Company Address: No 1283, Giai Phong Street, Hoang Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105993764 Phone: 02436421002 Representative: Phan Tien Dung Adress: Zoom 101 Nha B8 Mai Dong, Mai Dong Ward, Hoang Mai District, Ha Noi City Hoang Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 19 - 9 - 2012