With a history dating back to the 1930s, SDX Joint Publishing Company (Sanlian Book House), whose full name means "Life, Reading & New Knowledge", focuses on humanities and social sciences. It boasts high fame in academic and cultural publishing in China and gains a reputation for its strong brand identity among readers. Its publications cover philosophy, politics, archeology, history, economy, literature, and art. In 2002, SDX became a member of the China Publishing Group. SDX is also famous for its book series like Modern Western Academic Library, The Frontiers of Academia, Culture & Life, New Knowledge, and The Origin of Western Scholarly Study, which introduce many worthy foreign theories and academic studies to Chinese readers.

Besides book publishing, SDX is also committed to journals. Until now, Life Weekly has been rated as the most influential magazine in China; Reading Monthly is also a distinctive one among Chinese intellectuals. SDX also operates the first 24-hour book store in Beijing, SDX Taofen Book Store, which won The Bookstore Spirit of China Award at London Book Fair in 2018. SDX's new media platform Zhongdu was selected as top 10 humanistic and social sciences platforms in 2020.

Official Website: http://www.sdxjpc.com/main/