Phat Trien Cong Nghe Va Dich Vu Van Tai Tan Thanh An Joint Stock Company Address: No 31 Trieu Khuc, Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102528374 Phone: 0916396999 Representative: Bui Dinh Thai Adress: Xo Hamlet, Minh Quang Commune, Ba Vi District, Ha Noi City Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi CityFounding date: 24 - 11 - 2007