Do Thi So 1 Dong Son Joint Stock Company Address: 65 Phan Chu Trinh, Dien Bien Ward, Thanh Hoa City, Tinh Thanh Hoa, Viet Nam Enterprise code: 2803162763 Phone: 0919327636 Representative: Nguyen Hoang Thanh Dien Bien Ward, Thanh Hoa City, Thanh Hoa ProvinceFounding date: 21 - 4 - 2025