Dich Vu Khoa Hoc Ky Thuat Thu Do Joint Stock Company Address: No 5/8/10, To Hieu Street, Nguyen Trai Ward, Ha Dong District, Ha Noi City Enterprise code: 0108062322 Phone: 0988500411 Representative: Vu Manh Tuong Nguyen Trai Ward, Ha Dong District, Ha Noi CityFounding date: 16 - 11 - 2017