Cong Trinh Tung Bach LTD Address: Ngoc Tan Hamlet, Hoang Van Commune, Hiep Hoa District, Bac Giang Province Enterprise code: 2401064597 Phone: 0398238977 Representative: Duong Van Doanh Hoang Van Commune, Hiep Hoa District, Bac Ninh ProvinceFounding date: 17 - 3 - 2026