Cong Nghe Cao Tan Viet Joint Stock Company Address: No 19 Dai Co Viet, Cau Den Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101501517 Phone: 0246226303 Representative: Nguyen Khanh Toan Adress: Cuu Viet Hamlet, Trau Quy Commune, Gia Lam District, Ha Noi City Cau Den Ward, Hai Ba Trung District, Ha Noi CityFounding date: 25 - 6 - 2004