Thuong Mai Vien Thong LTD Address: Zoom 2 C5, Cuc Ban Do Town, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0101727017 Phone: 0242660856 Representative: Tran Vien Thong Adress: Thanh An Hamlet, Nghia Phong Commune, Nghia Hung District, Nam Dinh Province Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 22 - 7 - 2005