Quan Tri He Thong Tam Anh LTD Address: No 20, Alley 299/2, Hoang Mai Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109759589 Phone: 0903206383 Representative: Phan Ba Tang Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 30 - 9 - 2021