Thuong Mai Va Phat Trien Vien Thong Viet Trung Joint Stock Company Address: No 48 (No 42B CU), To Hoang Lane, Cau Den Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102304737 Phone: 02437738818 Representative: Pham Thi Ha Adress: P414, Tap The Buu Dien Thai Thinh, Nga Tu So Ward, Dong Da District, Ha Noi City Cau Den Ward, Hai Ba Trung District, Ha Noi CityFounding date: 2 - 7 - 2007