Phat Trien Du An Techcomdeveloper Joint Stock Company Address: No 15 Dao Duy Tu, Hang Buom Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105089608 Phone: 02439290443 Representative: Nguyen Thi Thu Tra Adress: Tap The Dai Hoc Giao Thong, Lang Thuong Ward, Dong Da District, Ha Noi City Hang Buom Ward, Hoan Kiem District, Ha Noi CityFounding date: 30 - 12 - 2010