The document discusses the China OpenStack User Group (COSUG), which was started in 2011 to promote OpenStack adoption in China. COSUG now has over 960 mailing list subscribers and nearly 2,000 registered users on its website. It coordinates OpenStack meetups and training programs across multiple Chinese cities. COSUG also works with the China OpenSource Cloud League (COSCL), a collaboration between Chinese companies and universities contributing to OpenStack projects. The document promotes StackLab, a free OpenStack sandbox environment, and outlines COSUG's plans to expand training programs, community quality, and cooperation with other OpenStack communities.