Guangzhou Risheng Optoelectronic Technology Co., Ltd. was set up at the beginning of 2002. We are one of the biggest manufacturers, providing CD-R media in China. We are a large professional manufacturer and modern enterprise. Our products include blank CD-R media (CD-R DVD). Our company has imported the most advanced production equipment from abroad. We have carried out stringent QC in every procedure ranging from purchase production, delivery to service, in order to ensure that our ...