Dau Tu Xay Dung Khoa Hoc Cong Nghe Va Bao Ve Moi Truong Joint Stock Company Address: No 3 B13, Dong Xa Urban Area, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0102212885 Phone: 0242947914 Representative: Nguyen Quang Hien Adress: No 34, Nguyen Thai Hoc Street, Dien Bien Ward, Ba Dinh District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 4 - 2007