Khai Thac Da Va San Xuat Vat Lieu Xay Dung Cam Pha Address: No 1008, Tran Phu Street, Cam Thach, Cam Pha City, Quang Ninh Province Enterprise code: 5700100023 Phone: 02143862070 Cam Thach Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 4 - 9 - 1998