Cong Nghe Tai Nguyen - Moi Truong Va Vat Lieu Joint Stock Company Address: No 1001, Hoang Quoc Viet Street, Co Nhue 1 Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0102339627 Phone: 0913321813 Representative: Le Quang Hung Co Nhue 1 Ward, Bac Tu Liem District, Ha Noi CityFounding date: 13 - 8 - 2007