CMC Magnetics Corporation is principally engaged in the manufacture and distribution of optical storage products and peripheral products. The Company provides record type optical storage products, including compact disks (CDs), as well as digital optical storage products. Its products are applied in the transmission, storage and play of movies, music, software and television programs, among others. It also provides packaging for its optical storage products. The Company mainly distributes its products to overseas markets, as well as domestic market.