Khai Hang Address: Khu Don, Huong Can Commune, Thanh Son District, Phu Tho Province Enterprise code: 2600312519 Phone: 02836491999 Representative: Nguyen Van Khai Adress: Khu De Ngu, Yen Son Commune, Thanh Son District, Phu Tho Province Huong Can Commune, Thanh Son District, Phu Tho ProvinceFounding date: 30 - 6 - 2004