Thiet Bi Vien Thong Van Chung Joint Stock Company Address: No 92, Civil Group 5, Vinh Phuc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106222683 Phone: 0983228265 Representative: Trinh Ngoc Dat Adress: Hamlet 6, Hai Phong Commune, Hai Hau District, Nam Dinh Province Vinh Phuc Ward, Ba Dinh District, Ha Noi CityFounding date: 3 - 7 - 2013