Luan Son Address: Vinh Thanh Hamlet, Vinh Ngoc Commune, Dong Anh District, Ha Noi City Enterprise code: 0101583541 Phone: 0248810452; 0248837295 Representative: Dang Van Khanh Adress: Vinh Thanh Hamlet, Vinh Ngoc Commune, Dong Anh District, Ha Noi City Vinh Ngoc Commune, Dong Anh District, Ha Noi CityFounding date: 18 - 12 - 2004