Tu Van Thiet Ke Va Dau Tu Xay Dung Thang Long Joint Stock Company Address: No 77D, Yen Phuc Street, Phuc La Ward, Ha Dong District, Ha Noi City Enterprise code: 0103691912 Phone: 02433540783 Representative: Do Van Hong Adress: No 27B Nguyen Chanh, Phuc La Ward, Ha Dong District, Ha Noi City Phuc La Ward, Ha Dong District, Ha Noi CityFounding date: 13 - 4 - 2009