Thuong Mai Va Phat Trien Cong Nghe Thanh Do Joint Stock Company Address: No 30, Cua Dong Street, Cua Dong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0100912426 Phone: 0247473057 Representative: Nguyen Van Xuan Adress: 39, Truong Chinh Street, Thanh Xuan District, Ha Noi City Cua Dong Ward, Hoan Kiem District, Ha Noi CityFounding date: 24 - 7 - 1999