Cong Nghe Bach Khoa Joint Stock Company Address: No 332, Da Nang Street, Dong Hai 1 Ward, Hai An District, Hai Phong City Enterprise code: 0200805795 Phone: 02253913995 Representative: Nguyen Mau Tuan Adress: 4 Bac Hamlet, Kim No Commune, Dong Anh District, Ha Noi City Dong Hai 1 Ward, Hai An District, Hai Phong CityFounding date: 14 - 4 - 2008