Duan, 36, was convicted of organizing illegal gangs to commit crimes including bribery, possession of guns, organising prostitution rings, racketeering and gambling from 1997 to 2006, according to the Intermediate Court of Chengde City.

Duan, former director of Villagers Committee of Nanshange Village in Luanxian County, was arrested in May last year.

Members of Duan's gang also received jail sentences, the most severe being 19 years, the court said.