ImagoThe world number four was trounced 4-0 by the Chinese cueman during the evening session in Zhangjiagang on a day when local players largely had the upper hand.
Matthew Selt was another to be bounced out of the competition, losing 4-2 to Lu Ning, while Marcus Campbell fell to Zhang Yang by the same scoreline.
Peter Ebdon, the world number 20, was also sent packing, 4-3 by Xu Xinjian, while Ben Judge and Mark King also lost.
There was, however, some joy for visiting players, with world number three Mark Williams enjoying a comfortable 4-1 win over Zhou Yuelong, Tom Ford edging Lu Haotian 4-3 and Stuart Bingham downing Yang Qingtian 4-3.
Round two results:
Cai Jianzhong 4-0 Tang Xu
Lu Ning 4-2 Matthew Selt
Marcus Campbell 2-4 Zhang Yang
Li Yuan 4-1 Ben Judge
Zhang Anda 4-1 Chen Ruifu
Guan Zhen 1-4 Chen Zhe
Cao Yupeng 2-4 Wang Linhan
Lu Haotian 3-4 Tom Ford
Qi Ya 0-4 Jin Long
Li Yan 4-0 Cui Ming
Lin Shuai 4-3 Mark King
Ruzi Maimaiti 4-2 Da Hailin
Lin Yongzhi 4-2 Chen Feilong
Yu Delu 4-2 Pa Ruke
Pan Weixing 4-3 Liu Chuang
Mark Williams 4-1 Zhou Yuelong
Stuart Bingham 4-3 Yang Qingtian
Zhao Xintong 4-0 Xiao Guodong
Michael Wasley w/d Mei Xiwen BYE
Ma Bing 3-4 Tian Pengfei
Peter Ebdon 3-4 Xu Xinjian
Li Hang 1-4 Cao Xinlong
Cao Kaisheng 4-0 Stephen Maguire
