O To Viet Hung Joint Stock Company Address: Khu 4, Phu Ninh Commune, Phu Ninh District, Phu Tho Province Enterprise code: 2600312036 Phone: 02103860057 Representative: Dang The Hung Adress: Khu 4, Phu Ninh Commune, Phu Ninh District, Phu Tho Province Phu Ninh Commune, Phu Ninh District, Phu Tho ProvinceFounding date: 11 - 6 - 2004