Sau Yen Address: Khu 8, Hy Cuong Commune, Viet Tri City, Phu Tho Province Enterprise code: 2600281324 Phone: 0210970156 Representative: Do Xuan Sau Adress: Khu 8, Hy Cuong Commune, Viet Tri City, Phu Tho Province Hy Cuong Commune, Viet Tri City, Phu Tho ProvinceFounding date: 28 - 12 - 2005