Dau Tu Va Xay Dung Alpha Joint Stock Company Address: No 152 Yen Phu, Yen Phu Ward, Tay Ho District, Ha Noi City Enterprise code: 0101214914 Phone: 02438293125 Representative: Trinh Ngoc Tuan Adress: No 152 Yen Phu, Yen Phu Ward, Tay Ho District, Ha Noi City Yen Phu Ward, Tay Ho District, Ha Noi CityFounding date: 18 - 3 - 2002