Tu Van Va Dau Tu Duc Long Joint Stock Company Address: No 31, Alley 158/19, Ngoc Ha Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102149714 Phone: 0903207500 Representative: Ha Van Hao Adress: No 24, Nha C Tap The Quan Doi K95, Phuc Xa Ward, Ba Dinh District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 29 - 1 - 2007