As a leading disc manufacturer, we have over 10 years experience in blank and pre-recorded discs. Our own brand is X-DATA. ALL our discs are 100% virgin while CDR silver coating. Quality is always our priority. Our products are:1. Pre-recorded Discs2.Blank Disc: CDR, 4.7GB DVDR, 8.5GB Dual Layer , 9.4GB double side DVD, minidisc, 25GB/50GB..