Dau Tu Thuong Mai Va Dich Vu 4G Viet Nam Joint Stock Company Address: No 8/660 Nguyen Van Linh, Nghia Xa Ward, Le Chan District, Hai Phong City Enterprise code: 0201860710 Phone: 0931782000 Representative: Nguyen Thi Bau Adress: Tram Khe Hamlet, Dai Thang Commune, Tien Lang District, Hai Phong City Nghia Xa Ward, Le Chan District, Hai Phong CityFounding date: 12 - 3 - 2018