Tu Van Va Dich Vu Khoa Hoc Tai Lieu Thang Long Joint Stock Company Address: Zoom 503, Khu Chung Cu Nha F, Lane 28, Xuan La Street, Xuan La Ward, Tay Ho District, Ha Noi City Enterprise code: 0103461242 Phone: 02466602902 Representative: Nguyen Van Cuong Adress: Hamlet 2, Thanh Huong Commune, Thanh Chuong District, Nghe An Province Xuan La Ward, Tay Ho District, Ha Noi CityFounding date: 5 - 3 - 2009