manufacturing is done mainly in the countries where the music
industry is strongest such as the US, Ireland, Japan, the UK,
and other European countries. To produce a CD the manufacturer
must take several steps.
when a new digital master tape arrives at a CD pressing plant,
it is subject to some last minute changes.
the tape plays a glass master disc is created.
this glass master a metal master, mother, and a stamper is created.
stamper is then used to reflect the beams into and encode each
CD is then assembled into its plastic and outer packaging.
here for a more detailed look at the process.