Sos Lang Tre Em Viet Tri Address: Duu Lau Ward, Viet Tri City, Phu Tho Province Enterprise code: 2600227503 Phone: 0210849019 Representative: Nguyen Van Hai Adress: Sos, Tre Em Viet Tri Village, Viet Tri City, Phu Tho Province Duu Lau Ward, Viet Tri City, Phu Tho ProvinceFounding date: 21 - 4 - 2000