Phat Trien Dau Tu Xay Dung Ky Thuat Dong Thanh Joint Stock Company Address: Nhat Tao Hamlet, Dong Ngac Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0101343187 Phone: 0247574405 Representative: Tran Van Trai Adress: Tap The Vien Thiet Ke Dien, Trung Van Commune, Tu Liem District, Ha Noi City Dong Ngac Ward, Bac Tu Liem District, Ha Noi CityFounding date: 25 - 3 - 2003