COL Group Co., Ltd. provides digital reading products, publishing operations, and content value-added services in China and internationally. It sources licensed digital content through its online platform, authors, and copyright agencies, and distributes digital reading products to various terminals, platforms, and media outlets. The company focuses on literature IP and creates derivative works from web fiction, including audiobooks, short and medium drama series, animation, film, and merchandise. It owns platforms that produce original content, such as 17K.com, 4YT.Net, a science fiction label under the qixiangyuzhou name, and a thriller label under the Mystery Project brand. Formerly known as COL Digital Publishing Group Co., Ltd., it changed its name to COL Group Co., Ltd. in April 2023. Founded in 2000, the company is based in Beijing, China.