Do Ha LTD Address: No 34, 141 Nguyen Khang Lane, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101948626 Phone: 0242923088 Representative: Le Trung Nguyet Adress: Khu Hanh Chinh Tho Son, Doan Hung Town, Doan Hung District, Phu Tho Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 23 - 5 - 2006