optical glass substrate, including CD/VCD/DVD mastering glass substrate, IC substrate, Mask blanks substrate. Yingke locates in Suzhou Xiangcheng Zone, which covers an area of more than 7000m2,construction area 3000m2.Yingke has 6 production lines for various mastering substrates(ODME160、ODME180、OMP170、Nimbus/ODC、M2..),mask blanks(2″、3″、4″、5″、6″)and other optical disc, the production capacity of Yingke is around 24,0000 pieces yearly, most of them are exported to abroad(Europe/North America/Southeast Asia).