Guo Ailun of Liaoning guarded by Xinjiang defender.
Xinjiang needs only one more victory to reach the CBA finals after beating Liaoning 116-108 on Wednesday.
Xinjiang now leads the best-of-seven semifinal series by 3-0.
Xinjiang, the third placed team in the last season, took the upper hand from the start and once led as many as 31 points. Liaoning fought hard to reduce the gap to just six points in the last minute, but couldn't go further.
Andray Blatche and Darius Adams combined for 64 points and 22 rebounds for Xinjiang. Zhou Qi had 14 points, 11 rebounds and 7 blocks.
Liaoning's Han Dejun and Guo Ailun combined for 48 points and 27 rebounds, and Lester Hudson added 21 points.
In the other semifinals, Jeremy Pargo scored team-high 33 points to help Shenzhen beat Guangdong 109-90. Guangdong now leads the semifinals series 2-1.
Shenzhen led by two points after the second quarter and gradually widened the gap to seal the victory.
Guangdong's American Donald Sloan scored 27 points and grabbed 11 rebounds. Zhou Peng added 25 points.