Dau Tu Do Thi Ha Tay Joint Stock Company Address: Zoom 203 Tang 3 So 136 Hoang Quoc Viet, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0102725319 Phone: 0242411474 Representative: Do Quy Hai Adress: No 2, Lane 133, Le Loi Street, Nguyen Trai Ward, Ha Dong District, Ha Noi City Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 23 - 4 - 2008