Cong Nghe Vien Thong Long Kien LTD Address: No 174, Hoang Mai Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0107917141 Phone: 0969818818 Representative: Truong Van Kien Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 18 - 7 - 2017