Thuong Mai Cong Nghe Dong Duong Joint Stock Company Address: No 579e5, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0104163249 Phone: 02435632636 Representative: Tran Danh Phuong' Adress: No 3 Hem 26, Alley 41, Thinh Quang Lane, Dong Da District, Ha Noi City Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 15 - 9 - 2009