Thuong Mai Va Tin Hoc Thang Long LTD Address: No 4 Nha B, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0100385642 Phone: 0249782528 Representative: Lam Duc Truong Adress: P522 C4, Giang Vo Town, Ba Dinh District, Ha Noi City Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 7 - 7 - 1998