Tu Van Va Phat Trien Cong Nghe 477 LTD Address: Khoi 1, Dong Anh Town, Dong Anh Town, Dong Anh District, Ha Noi City Enterprise code: 0101796109 Phone: 0248837773 Representative: Ngo Minh Tuan Adress: Thuong Hamlet, Uy No Commune, Dong Anh District, Ha Noi City Dong Anh Town, Dong Anh District, Ha Noi CityFounding date: 19 - 10 - 2005