Dau Tu Xay Dung Constrexim Joint Stock Company Address: 1st Floor, Nha N02, Lane 84, Chua Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0102193826 Phone: 02437757150 Representative: Le Vinh Viet Adress: Trang Ky Hamlet, Tan Truong Commune, Cam Giang District, Hai Duong Province Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 28 - 3 - 2007