Phat Trien Cong Nghe Truyen Thong Viet Nam LTD Address: 38, Thang Loi Hamlet, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101621236 Phone: 0248626950 Representative: Tran Anh Dung Adress: 38, Thang Loi Hamlet, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Quynh Loi Ward, Hai Ba Trung District, Ha Noi CityFounding date: 22 - 3 - 2005