The 9th Politburo of the Communist Party of China was elected at the 1st Plenary Session of the 9th Central Committee on April 28, 1969, consisting of 21 members and 4 alternate members.
Mao Zedong, Chairman of the Party Central Committee and member of the Politburo Standing Committee
Lin Biao, Vice Chairman of the Party Central Committee and member of the Politburo Standing Committee (died in September, 1971)
Zhou Enlai, member of the Politburo Standing Committee
Chen Boda, member of the Politburo Standing Committee (fell from power in September, 1970; dismissed in August, 1973)
Kang Sheng, member of the Politburo Standing Committee
Others in stroke order of surnames:
Ye Qun (died in September, 1971)
Ye Jianying
Liu Bocheng
Jiang Qing
Zhu De
Xu Shiyou
Chen Xilian
Li Xiannian
Li Zuopeng (fell from power in September, 1971; dismissed in August, 1973)
Wu Faxian (fell from power in September, 1971; dismissed in August, 1973)
Zhang Chunqiao
Qiu Huizuo (fell from power in September, 1971; dismissed in August, 1973)
Yao Wenyuan
Huang Yongsheng (fell from power in September, 1971; dismissed in August, 1973)
Dong Biwu
Xie Fuzhi (died in March, 1972)
Ji Dengkui
Li Xuefeng (fell from power in January, 1971; dismissed in August, 1973)
Li Desheng
Wang Dongxing
9th Politburo of the Communist Party of China Wikipedia (Text) CC BY-SA