Cong Nghe Ket Noi 4.0 Joint Stock Company Address: 22 Nguyen Khang, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0108973526 Phone: 0974979279 Representative: Nguyen Viet Bac Adress: Hamlet 4, Hai Ha Commune, Hai Hau District, Nam Dinh Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 11 - 2019