Thiet Bi Vien Thong Ae Viet Nam Joint Stock Company Address: No 6, Alley 8, Lane 117, Thai Ha Street, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0105878715 Phone: 02462973428 Representative: Dang Xuan Hung Adress: No 27, Co Nhue Street, Co Nhue 2 Ward, Bac Tu Liem District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 4 - 5 - 2012