Are all Hefei subway station attendants outsourced?

Yes. According to a query on the official website of the Hefei Municipal Transportation Bureau, as of June 28, 2023, all subway station attendants are social personnel hired by government outsourcing companies. They are all graduates of corresponding majors and are highly professional. Hefei City, referred to as "Lu" or "He", and formerly known as Luzhou, Luyang, and Hefei, is a prefecture-level city, provincial capital, and megacity under the jurisdiction of Anhui Province.