Tu Van Va Dau Tu Ha Tang Viet Nam Joint Stock Company Address: No 11, Lane 186, Vuong Thua Vu Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105028838 Phone: 032812392 Representative: Do Tien Loi Adress: Pac Khoang Hamlet, Thach An District, Cao Bang Province Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 30 - 11 - 2010