Tu Van Xay Dung Cong Trinh Van Hoa Joint Stock Company Address: No 15, Alley 39/1, Phao Dai Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0102252461 Phone: 02435577331 Representative: Phan Ngoc Thao Adress: Khoi 1, Nhan Thanh Commune, Yen Thanh District, Nghe An Province Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 16 - 5 - 2007