Tu Van Thi Nghiem Va Xay Dung Thang Long Joint Stock Company Address: Nha A1- 6, So 4 Civil Group, Co Nhue 2 Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0109488515 Phone: 0984398663 Representative: Nguyen Van Trong Co Nhue 2 Ward, Bac Tu Liem District, Ha Noi CityFounding date: 11 - 1 - 2021