Dau Tu Phat Trien Khanh Dung Joint Stock Company Address: A9, Lot C8, Do Thi Moi Dai Kim, Dai Kim Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102335453 Phone: 02462133184 Representative: Do Anh Tuan Adress: Hamlet 8, Duyet Trung Ward, Cao Bang City, Cao Bang Province Dai Kim Ward, Hoang Mai District, Ha Noi CityFounding date: 9 - 8 - 2007