Copor Opto-Electrical Limited is a leading supplier specializing in blank media discs, CD cases and DVD for professional use. Our products are sold to the global markets. include BLANK CD-R, DVD+R/DVD-R, CD-RW, DVD+RW, DVD-RW, DOUBLE SIDE 9.4GB DVDR, DL DVDR 8.5GB, BD-R, BD-RE, BLUE RAY DISC, ...