Dau Tu Va Khoang San Ha Yen Joint Stock Company Address: Phia Nam Industrial Zone, Van Tien Commune, Yen Bai City, Yen Bai Province Enterprise code: 5200888141 Phone: 0988136868 Representative: Tran Quoc Huy Van Tien Commune, Yen Bai City, Yen Bai ProvinceFounding date: 20 - 4 - 2018