Lu Yingchun, 39, another member of the murderous gang, was handed a life sentence while two others, Zhang Hang and Zhang Qiaolian, received 10 and seven years respectively. All three also faced cult related charges.
It is understood a 12-year-old was also tried in relation to the murder in a separate court, although more details have yet to emerge.
The attack was dubbed "extremely cruel" by court officials after they heard the five-strong gang had forbidden anyone in the fast food restaurant from intervening to stop the violent attack.
During the trial, which began in August, Fan, Lidon and Yingchun told the court they had acted in self-defence after they were attacked by the "demon's supernatural powers".
All death sentences handed out by trial courts must be reviewed by China's supreme court.
The cult was banned by in China after it called for a battle to defeat the "Red Dragon" - referring to the ruling communist party. It is one of 14 cults that have been listed as illegal in the country.
Aalso known as the Quannengshen group, its founder Zhao Weisha is understood to have fled to the United States of America in September 2000.
- Independent, AP