Hop Tac Quang Cao Va Truyen Thong Viet Nam Joint Stock Company Address: No 07, Nguyen Kha Trac Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0104683054 Phone: 0977882982 Representative: Ly Tuan Dat Adress: No 302, A4 Lane, Tap The Z125, Mai Dinh Commune, Soc Son District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 20 - 5 - 2010