Thuong Mai Va Dich Vu Device4u LTD Address: Yen Vinh Hamlet, Kim Chung Commune, Hoai Duc District, Ha Noi City Enterprise code: 0108570502 Phone: 0986347568 Representative: Nguyen Van Chinh Adress: Yen Vinh Hamlet, Kim Chung Commune, Hoai Duc District, Ha Noi City Kim Chung Commune, Hoai Duc District, Ha Noi CityFounding date: 3 - 1 - 2019