Tu Van Dau Tu Xay Dung Quang Ngoc Son Joint Stock Company Address: No 6, Nguyen Du Street, Quang Ha Town, Hai Ha District, Quang Ninh Province Enterprise code: 5701566434 Phone: 0982391455 Representative: Pham Minh Hien Adress: Khu Binh Cong 2, Binh Lieu Town, Binh Lieu District, Quang Ninh Province Quang Ha Town, Hai Ha District, Quang Ninh ProvinceFounding date: 22 - 12 - 2011