Toan Cau Qsa LTD Address: No 123 Tran Dang Ninh, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101914056 Phone: 02466717579 Representative: Dinh Quang Hung Adress: No 10, 23 Khu Ga Civil Group, Van Dien Town, Thanh Tri District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 14 - 4 - 2006