Phat Trien Tin Hoc Va Xay Dung HPT LTD Address: No 21 Nguyen Quy Duc, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101533572 Phone: 0245533026 Representative: Hoang Phu Thinh Adress: Phuong Vien Hamlet, Song Phuong Commune, Hoai Duc District, Ha Noi City Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 24 - 9 - 2004