Khai Thac Che Bien Khoang San Van Xuan LTD Address: An Hoa 4 Hamlet, An Tuong Commune, Tuyen Quang City, Tuyen Quang Province Enterprise code: 5000849963 Phone: 0359199943 Representative: Nguyen Tho Hoan An Tuong Ward, Tuyen Quang City, Tuyen Quang ProvinceFounding date: 10 - 5 - 2018