Dau Tu The Rockfill Viet Nam Joint Stock Company Address: Civil Group 5, Bac Ly Ward, Dong Hoi City, Tinh Quang Binh, Viet Nam Enterprise code: 3101123719 Phone: 0978423753 Representative: Doan Quoc Viet Bac Ly Ward, Dong Hoi City, Quang Binh ProvinceFounding date: 12 - 5 - 2023