Phat Trien Cong Nghe Co Khi Xay Dung Va Thuong Mai Thang Long Joint Stock Company Address: No 39, Le Van Hien Street, Duc Thang Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0102278597 Phone: 02437523991 Representative: Do Huu Thang Adress: No 39, Le Van Hien Street, Dong Ngac Ward, Bac Tu Liem District, Ha Noi City Duc Thang Ward, Bac Tu Liem District, Ha Noi CityFounding date: 5 - 6 - 2007