To Hop Truyen Thong Viet Nam Joint Stock Company Address: No 230, Ngo Quyen Street, La Khe Ward, Ha Dong District, Ha Noi City Enterprise code: 0105439027 Phone: 02439932896 Representative: Vu Van Hieu Adress: No 230, Ngo Quyen Street, La Khe Ward, Ha Dong District, Ha Noi City La Khe Ward, Ha Dong District, Ha Noi CityFounding date: 4 - 8 - 2011