Dau Tu Phat Trien Dien Tu- Tin Hoc Va Vien Thong LTD Address: Khu C Khach San Soc Son, Soc Son District, Ha Noi City Enterprise code: 0100278601 Phone: 02435955262 Representative: Le Duy Anh Adress: No 44B, Lane 280, Lac Long Quan Street, Tay Ho District, Ha Noi City Soc Son District, Ha Noi CityFounding date: 29 - 7 - 1998