Dau Tu Va Dich Vu Tre Viet Joint Stock Company Address: No 52, Lane 79, Cau Giay Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101418763 Phone: 0248335581 Representative: Nguyen Huy Phuong Adress: Phat Tich Hamlet, Phat Tich Commune, Tien Du District, Bac Ninh Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 11 - 2003