Dau Tu Va Tu Van Xay Dung Truong Son Joint Stock Company Address: No 231, Tran Phu Street, 30D Civil Group, Khu 2B, Cao Xanh Ward, Tinh Quang Ninh, Viet Nam Enterprise code: 5702217027 Phone: 0936898838; Representative: Tran Viet Cuong Cao Xanh Ward, Ha Long City, Quang Ninh ProvinceFounding date: 12 - 2 - 2026