Dich Vu, Vat Tu Va Ky Thuat Hoang Mai LTD Address: No 101, Civil Group 25, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101482871 Phone: 0249871700 Representative: Nguyen Van Chi Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 5 - 2004