Below is an article issued by Human Rights in China :

A Chinese government directive requiring domestic computer manufacturers and manufacturers that export computers to China to pre-install filtering software – “Green Dam Youth Escort” software – was made public on June 8, 2009.  Human Rights in China (HRIC) has translated the directive and compiled the following background information on the development and use of the software.

The directive, titled “Notification Regarding Requirements for Pre-Installing Green Filtering Software on Computers,” was issued by the Ministry of Industry and Information Technology (MIIT) on May 19, 2009, and was made available on the software provider’s website.