Cong Nghe Cao Ha Thanh Joint Stock Company Address: No 234 Ngo Gia Tu, Khoi 4, Duc Giang Ward, Long Bien District, Ha Noi City Enterprise code: 0101513907 Phone: 0248772653 Representative: Nguyen Tien Dung Adress: 16, 8a Hoang Ngoc Phach Lane, Lang Ha, Dong Da District, Ha Noi City Duc Giang Ward, Long Bien District, Ha Noi CityFounding date: 3 - 8 - 2004