Dau Tu Yen Vi LTD Address: P606, 6th Floor Thap A, Toa Sky City Tower, No 88 Lang Ha, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0109869817 Phone: 0971871111 Representative: Pham Thi Thuy Nga Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 24 - 12 - 2021