Dau Tu Xay Dung Va Thuong Mai 669 Joint Stock Company Address: Nha Ba Tao Thi Hai Van, No 56, TK13, Luong Son Town, Luong Son District, Hoa Binh Province Enterprise code: 5400328796 Phone: 0983489186 Representative: Dang Phi Truong Adress: Xuan Sen Hamlet, Thuy Xuan Tien Commune, Chuong My District, Ha Noi City Luong Son Town, Luong Son District, Hoa Binh ProvinceFounding date: 28 - 9 - 2009