Chi Nhanh Cong Ty CP Khai Khoang Xay Dung San Xuat Va XNK Bao Duy Tai Thanh Hoa Address: Hamlet 1, Dong Xuan Commune, Dong Son District, Thanh Hoa Province Enterprise code: 0101570616-001 Phone: 0237691606 Representative: Le Huu Tien Adress: Hamlet 1, Dong Xuan Commune, Dong Son District, Thanh Hoa Province Dong Xuan Commune, Dong Son District, Thanh Hoa ProvinceFounding date: 19 - 4 - 2005