Phong Quan Ly Do Thi Quan Thanh Xuan Address: No 9, Khuat Duy Tien Street, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109785807 Phone: 02422143610 Representative: Nguyen Duy Linh Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 21 - 10 - 2021