Phat Trien He Thong Thong Tin-Sid LTD Address: P1308, Nha B3D Khu DTM Nam Trung Yen, Trung Hoa, Cau Giay District, Ha Noi City Enterprise code: 0102525729 Phone: 0242422423 Representative: Hoang Van Tuyen Adress: 1308, Nha B3D Khu DTM Nam Trung Yen, Trung Hoa, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 21 - 11 - 2007