It sounded promising for the 82 singletons mingling inside.
Former President Hu Jintao has ties to the group, the South China Morning Post reported.
The news service said the event was a positive experience for those attending, quoting a woman who allegedly said the event was more "trustworthy" because of its affiliations with the youth league.
The report also stated more than 500 people found a potential date, and that about 5,000 single young professionals were in attendance.
Women in their 20s are outnumbered by men in China, owing to a cultural preference for sons, The New York Times reported.
But women are also shamed and labeled "leftover women" if they do not find a husband by the age of 27, according to the report.