The COL Group was established in Tsinghua University in 2000. In 2015, it listed on the Shenzhen Stock Exchange GEM board (stock code: 300364). COL is a leading digital cultural content industrial group in China. It focuses on digital content production, copyright distribution, IP derivation and intellectual property protection. COL sources its licensed digital content through its online platform, authors and copyright agencies. It has 5.5 million digital content resources and 4.5 million online authors. It owns platforms that produce original content, such as 17K.com, 4YT.Net, science fiction label "qixiangyuzhou", and thriller label "Mystery Project".