Xay Dung Vien Thong Nam Ha Noi LTD Address: E101a TDP So 5, Vinh Quynh Street, Dai Thanh Commune, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111580116 Phone: 0912781868 Representative: Do Quang Quyen Dai Thanh Commune, Thanh Tri District, Ha Noi CityFounding date: 24 - 7 - 2026