Cong Nghe CVN Joint Stock Company Address: 155, Quan Nhan Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105458407 Phone: 02435642952 Representative: Nguyen Quang Duc Adress: 430 Tay Son, Thinh Quang Ward, Dong Da District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 18 - 8 - 2011