Tu Van Thiet Ke Vien Thong Toan Cau Joint Stock Company Address: No 106, Civil Group 28, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102988678 Phone: 02462969288 Representative: Can Van Dung Adress: Hamlet 1, Kim Quan Commune, Thach That District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 27 - 10 - 2008