Duc Hoi Address: No 1, Tran Quoc Toan Street, Civil Group 15, Khu 9, Hong Ha Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701011859 Phone: 0913370528 Representative: Pham Quoc Duc Adress: Civil Group 15, Khu 9, Hong Ha Ward, Ha Long City, Quang Ninh Province Hong Ha Ward, Ha Long City, Quang Ninh ProvinceFounding date: 6 - 1 - 2010