Thuong Mai Va Khai Thac Khoang San Duc Hieu LTD Address: No 22, Civil Group 3, Khu 8, Cam Thanh Ward, Cam Pha City, Quang Ninh Province Enterprise code: 5702136748 Phone: 0961673124 Representative: Mai Thi Yen Cam Thanh Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 5 - 6 - 2023