O To Viet Hung LTD Address: KM 14+500, Highway 6, Yen Nghia Ward, Ha Dong District, Ha Noi City Enterprise code: 0101339455 Phone: 02433571260 Representative: Tu Mac Lan Adress: No 64 Ton Duc Thang, Hang Bot Ward, Dong Da District, Ha Noi City Yen Nghia Ward, Ha Dong District, Ha Noi CityFounding date: 12 - 3 - 2003