According to Guancha Syndicate, a Chinese news site, Six Flags Chongqing was eventually taken over by the Chongqing Municipal Government. Riverside Group had only provided operation management and the Six Flags brand. In addition, someone at Riverside Group admitted in an interview that the Chongqing project has indeed transferred part of its equity to State-Owned Assets Supervision and Administration Commission (“SASAC”) of the Chongqing Municipal Government.
Source: https://www.guancha.cn/economy/2020_09_25_566361_3.shtml