Che Yen Son LTD Address: Khu De Ngu, Yen Son Commune, Thanh Son District, Phu Tho Province Enterprise code: 2600746795 Phone: 02103978008 Representative: Nguyen Chi Hoa Yen Son Commune, Thanh Son District, Phu Tho ProvinceFounding date: 18 - 7 - 2011