Thuong Mai San Xuat Thiet Bi Giao Duc THT Joint Stock Company Address: 4 To 40 Hamlet, Thinh Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101495380 Phone: 0246612718 Representative: Le Tuan Tai Adress: No 31C Khoi 4B, Dong Anh Town, Dong Anh District, Ha Noi City Thinh Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 6 - 2004