Cong Nghe Dia Vat Ly Joint Stock Company Address: KM 9, Nguyen Trai Street, Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0500237624 Phone: 02438542561 Representative: Nguyen Hong Nam Adress: No 32, Yen Phu Village, Yen Phu Ward, Tay Ho District, Ha Noi City Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi CityFounding date: 11 - 9 - 1998