Truong Mam Non Happy Smile Address: Lot C, O D7, Moi Cau Giay Urban Area, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0108166402 Phone: 02432242448 Representative: Bui Thuy Linh Adress: P501- B13, Thanh Xuan District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 2 - 2018