Syren Joint Stock Company Address: 1st Floor, No 2B, Tap The Bo Giao Duc, Alley 46, Lane 191, Lac Street, Xuan La Ward, Tay Ho District, Ha Noi City Enterprise code: 0107472809 Phone: 02466568558 Representative: Tran Thi Kim Duyen Adress: 1B Hamlet, Dong Ngac Ward, Bac Tu Liem District, Ha Noi City Xuan La Ward, Tay Ho District, Ha Noi CityFounding date: 13 - 6 - 2016