Ranik Ultimate Fighting Federation
 Ranik Ultimate Fighting Federation (RUFF) is the first Chinese mixed martial arts (MMA) organization sanctioned by the General Administration of Sport of China. The winners of the title fights will be crowned as the national MMA champions of China in their respective weight classes. RUFF held its first event in August 2011 in Shanghai before presenting in Chongqing Hohhot Nanjing and Sanya.