Phat Trien Kinh Te Khoa Hoc Phuong Dong LTD Address: No A10, Khoa Hoc Ngoc Khanh Village, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101205500 Phone: 0247717834 Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 30 - 1 - 2002