Cong Nghe Tin Hoc A Va C Joint Stock Company Address: No 108, Civil Group 15, Minh Khai Ward, Minh Khai Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100311456 Phone: 0912033038 Representative: Nguyen Mong Ngoc Adress: Civil Group 6, Tran Phu Ward, Tran Phu Ward, Ha Giang City, Ha Giang Province Minh Khai Ward, Ha Giang City, Ha Giang ProvinceFounding date: 22 - 10 - 2009