Khai Thac & Che Bien Khoang San Tam Dao LTD Address: Kim De Hamlet, An Tuong Commune, Vinh Tuong District, Vinh Phuc Province Enterprise code: 2500213169 Phone: 0211889131 Adress: Kim De Hamlet, Vinh Tuong District, Vinh Phuc Province An Tuong Commune, Vinh Tuong District, Vinh Phuc ProvinceFounding date: 25 - 9 - 2002