Tu Van GN Joint Stock Company Address: No 4, Alley 1, Lane 106, Tran Binh Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105943668 Phone: 0974574007 Representative: Ha Ngoc Nam Adress: No 22, Lane 27, Vong Thi Street, Buoi Ward, Tay Ho District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 13 - 7 - 2012