Phat Trien Ky Thuat Y Hoc LTD Address: No 230 Nghi Tam, Yen Phu Ward, Tay Ho District, Ha Noi City Enterprise code: 0101208300 Phone: 0248293995 Representative: Mai Van Thang Adress: 31, 129 An Duong Vuong P.Phu Thuong Alley, Tay Ho District, Ha Noi City Yen Phu Ward, Tay Ho District, Ha Noi CityFounding date: 7 - 2 - 2002