Tu Van Va Quan Ly Xay Dung Thien Hai Joint Stock Company Address: No 11, Le Hong Phong 1 Street, Phu My 1 Civil Group, Bac Giang Ward, Tinh Bac Ninh, Viet Nam Enterprise code: 2401044738 Phone: (0227) 9922345 Representative: Nguyen Hai Son Bac Ninh ProvinceFounding date: 24 - 9 - 2025