Dau Tu Va Phat Trien Cong Nghe Viet Bac LTD Address: No 1/1, Lane 27, Giap Bat Street, Giap Bat Ward, Hoang Mai District, Ha Noi City Enterprise code: 0107790512 Phone: 02436648396 Representative: Dinh Thi Thu Hang Adress: P309, Nha A4, Street 8-3, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Giap Bat Ward, Hoang Mai District, Ha Noi CityFounding date: 4 - 4 - 2017