Cong Nghe HTT Viet Nam Joint Stock Company Address: No 15, Lane 27, Dai Co Viet Street, Cau Den Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0104153106 Phone: 02436228190 Representative: Dang Thanh Tien Adress: 172, Han Thuyen Street, Vi Xuyen Ward, Nam Dinh City, Nam Dinh Province Cau Den Ward, Hai Ba Trung District, Ha Noi CityFounding date: 9 - 9 - 2009