Thuong Mai Va Truyen Thong Tuong Tac 5G Viet Nam Joint Stock Company Address: No 13, Alley 33, 250 Nguyen Xien Lane, Ha Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106511967 Phone: 0902132242 Representative: Pham Thi Ngoc Hien Adress: No 6, 178/22 Tay Son Alley, Trung Liet Ward, Dong Da District, Ha Noi City Ha Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 15 - 4 - 2014