Sach Giao Khoa Dien Tu Viet Nam Joint Stock Company Address: No 74 Nguyen Ngoc Nai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107250404 Phone: 02435651632 Representative: Hoang Xuan Lam Adress: No 74 Nguyen Ngoc Nai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 14 - 12 - 2015