Tu Van Thiet Ke Va Thuong Mai Toan Cau Joint Stock Company Address: KM So 1, Bac Thang Long Street, Hai Boi Commune, Dong Anh District, Ha Noi City Enterprise code: 0101761071 Phone: 0248810805 Representative: Nguyen Phuc Tri Adress: Hamlet 3, Co Dien Hamlet, Hai Boi Commune, Dong Anh District, Ha Noi City Hai Boi Commune, Dong Anh District, Ha Noi CityFounding date: 29 - 8 - 2005