A court at Haidian district in Beijing sentenced the six to 20 months to four years in prison with a fine of 10,000 yuan ($1,500) to 40,000 yuan, China Central Television (CCTV) reported on Tuesday.
The six people helped 33 candidates at three different examination sites cheat on a postgraduate entrance examination, using miniature radio equipment, according to the report.
Four of the fraudsters sent correct answers to the questions to the examinees using radio signals on December 24, 2016.
The other two fraudsters sat in on the exams with secret radio equipment.
Local police detained the six and captured radio equipment at the scene, CCTV reported, without explaining how the police detected the crime.
Data obtained from the radio equipment showed that the criminals had also organized cheating in other tests, the court was quoted as saying by the report.
During the investigation and trial, the criminals admitted to and regretted what they did. Thus the court sentenced them to lighter punishment, according to law, the court said.
The ninth amendment to China's Criminal Law makes organizing cheating in examinations, offering equipment and assisting cheating, providing exam questions and answers, and surrogate exam-taking crimes, starting November 1, 2015.
Since 2016, courts in Beijing have tried about 34 cases involving examinations, including four cases of cheating and 29 cases of surrogate exam taking.