Phat Trien Cong Nghe Cao DHT LTD Address: A5 To 9, O Cho Dua Ward, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0100233872 Phone: 0248515293 Representative: Dang Hoang Trung Adress: A5 To 9, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 15 - 6 - 1998