Phat Trien Truyen Thong 5a LTD Address: No 78, Lane 224, Hoang Mai Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109808532 Phone: 02967243508 Representative: Nguyen Thi Thuy Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 9 - 11 - 2021