Phat Trien Truyen Thong Dai Duong Joint Stock Company Address: No 52, Alley 371/23, Thap Civil Group, Dai Mo Ward, Nam Tu Liem District, Ha Noi City Enterprise code: 0106674746 Phone: 02485879381 Representative: Nguyen Cao Son Adress: Cluster 4, Hiep Loc Hamlet, Hiep Thuan Commune, Phuc Tho District, Ha Noi City Dai Mo Ward, Nam Tu Liem District, Ha Noi CityFounding date: 27 - 10 - 2014