Phat Trien Dien Tu Tin Hoc LTD Address: No 4, Lane 106, Cu Chinh Lan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101268500 Phone: 0245652515 Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 4 - 2 - 2008