Tu Van Kien Truc Va Dau Tu Thang Long Joint Stock Company Address: No 05, Lane 357, Bach Dang Street, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106131820 Phone: 02463265005 Representative: Nguyen Van Hung Adress: Cluster 1, Lien Trung Commune, Dan Phuong District, Ha Noi City Chuong Duong Ward, Hoan Kiem District, Ha Noi CityFounding date: 25 - 3 - 2013