Dau Tu Va Phat Trien Cong Nghe Cao Hong Van LTD Address: No 11 Hang Chai, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0108159081 Phone: 0934251819 Representative: Nguyen Hong Van Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 5 - 2 - 2018