Vien Thong Hang Duyen LTD Address: Mach Dung Hamlet, Dai Mach Commune, Dong Anh District, Ha Noi City Enterprise code: 0107962803 Phone: 0974997423 Representative: Nguyen Huu Hang Dai Mach Commune, Dong Anh District, Ha Noi CityFounding date: 15 - 8 - 2017