Hop Danh Dau Tu Va Phat Trien Cong Nghe Khai Long Address: No 20, Alley 6/14, Doi Nhan Street, Cong Vi Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101639018 Phone: 0247615084 Representative: Hoang Tung Adress: No 20, Alley 6/14, Doi Nhan Street, Cong Vi Ward, Ba Dinh District, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 21 - 4 - 2005