Cong Nghe Song So Joint Stock Company Address: No 208, Dan 2 Commune, Nam Dong Ward, Dong Da District, Ha Noi City Enterprise code: 0106622434 Phone: 02834566699 Representative: Le Hoai Duc Adress: Tap The Co Khi Long Bien, Kim Ma Ward, Ba Dinh District, Ha Noi City Nam Dong Ward, Dong Da District, Ha Noi CityFounding date: 19 - 8 - 2014