After being released by the Nets, Williams went to play for the Fujian SBS XunXin of the Chinese Basketball Association (CBA). He played 16 games from February 5 to March 28, 2010, averaging 16.4 points, 11.1 rebounds (4.1 Off), 1.2 assists and 4.2 blocked shots. Some of his notable performances in the CBA include 30 points against Qingdao DS on March 12, 2010, and 13 blocks against Jilin on February 26, 2010. Williams also won the 2010 CBA All Star Game Dunk contest. The event was held at the Wukesong Stadium in Beijing, China, on March 21.