Viet Yen LTD Address: No 80, Khu 12, Hung Son Town, Lam Thao District, Phu Tho Province Enterprise code: 2600314026 Phone: 0210787018 Representative: Dao Hong Thang Adress: Khu 12, Hung Son Town, Lam Thao District, Phu Tho Province Hung Son Town, Lam Thao District, Phu Tho ProvinceFounding date: 22 - 7 - 2004