Thuong Mai - Dien Tu - Cong Nghe Dung Hoang Joint Stock Company Address: 7 Khu 9 Civil Group, Bai Chay Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701064681 Phone: 0983621868 Representative: Bui Quang Hoang Adress: 7 Khu 9 Bai Chay Civil Group, Ha Long City, Quang Ninh Province Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 2 - 3 - 2009