Phat Trien Phan Mem Tin Hoc Phuong Trang LTD Address: 47 Vu Xuan Thieu, Sai Dong Ward, Long Bien District, Ha Noi City Enterprise code: 0101547624 Phone: 02438757119 Representative: Khuc Thanh Phuong Adress: 47 Vu Xuan Thieu, Sai Dong Ward, Long Bien District, Ha Noi City Sai Dong Ward, Long Bien District, Ha Noi CityFounding date: 27 - 10 - 2004