S4 Viet Nam LTD Address: No 20, Lane 1, Tran Quoc Hoan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0107378210 Phone: 0961581289 Representative: Duong Manh Tuan Adress: P312 Ct2a, Van Quan Urban Area, Phuc La Ward, Ha Dong District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 31 - 3 - 2016