Tu Van Va Thuong Mai Toan Cau Joint Stock Company Address: VP812, JSC 34 Khuat Duy Tien Building, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101615793 Phone: 02439940899 Representative: Nguyen Viet Ly Adress: No 93/27, To Vinh Dien, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 10 - 3 - 2005