Tu Van Thiet Ke Va Khoa Hoc Cong Nghe LTD Address: No 20B13 Khu Nha O Mai Dich, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0103917101 Phone: 02436294791 Representative: Trinh Duy Son Adress: No 13/65, Le Hoan 1 Street, Dien Bien Ward, Thanh Hoa City, Thanh Hoa Province Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 3 - 6 - 2009