Tu Van Va Ho Tro Giao Duc PTL Joint Stock Company Address: No 8, Alley 629/5, Kim Ma Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102279061 Phone: 0983830317 Representative: Dang Thi Thanh Nhan Adress: Zoom 303a, H9TT Thanh Xuan, Thanh Xuan District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 6 - 6 - 2007