Dau Tu Thuong Mai Va Ky Thuat LTD Address: No 103 A13, Khuong Trung Town, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101435208 Phone: 0912024174 Representative: Le Thi Nga Adress: 23, Lot D To 37, Mai Dong Ward, Hai Ba Trung District, Ha Noi City Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 13 - 1 - 2004