Unlike the generic CD-R business cards on the market, SPECTRA-45 has been developed and marketed for customers who require the highest quality and value driven products. To achieve 99.99% defect-free products, the CDC Group has implemented strict quality control standards and procurement of the highest quality of raw materials. The CDC Group is proud to be the largest manufacturer in the world, meeting the sharply increasing demand for SPECTRA-45. We will continue our commitment to quality products and customer satisfaction.