Dau Tu Xay Dung Va Khai Thac Khoang San Yen The Joint Stock Company Address: Tram Hamlet, Tam Tien Commune, Yen The District, Bac Giang Province Enterprise code: 2400942778 Phone: 0977694098 Representative: Pham Van Khoi Tam Tien Commune, Yen The District, Bac Giang ProvinceFounding date: 20 - 7 - 2022