Duc Trinh Address: Civil Group 1, Khu 1, Ha Khau Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701307782 Phone: 02993283298 Representative: Pham Van Binh Adress: Civil Group 1, Khu 1, Ha Khau Ward, Ha Long City, Quang Ninh Province Ha Khau Ward, Ha Long City, Quang Ninh ProvinceFounding date: 20 - 8 - 2009