Dau Tu Phat Trien Khoa Bang Joint Stock Company Address: Zoom 116a, Nha A6, Tap The Khuong Thuong, Trung Tu Ward, Dong Da District, Ha Noi City Enterprise code: 0102116395 Phone: 0246335588 Representative: Tran Hoang Long Adress: No 428 Minh Khai, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Trung Tu Ward, Dong Da District, Ha Noi CityFounding date: 22 - 12 - 2006