Doi Thi Hanh An Huyen Tam Dao Address: KM 8, Hop Chau Commune, Tam Dao District, Vinh Phuc Province Enterprise code: 2500227549 Phone: 0211853907 Hop Chau Commune, Tam Dao District, Vinh Phuc ProvinceFounding date: 21 - 5 - 2004