"Zhou severely violated political discipline and rules," the CPC Central Commission for Discipline Inspection (CCDI) said in a statement today.
"Zhou, 62, made remarks on major issues that went against the spirit of the central authority, and failed to earnestly implement the building of a clean government by interfering with and hindering investigations," it said, without elaborating.
"Zhou seriously violated the rules in promoting officials, and failed to report related personal matters," it said.
Thousands of officials, including top CPC leaders, have been punished in the anti-graft campaign launched by Chinese President Xi Jinping since 2013.
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Zhou accepted bribes and took advantage of his post to seek profits for others, including helping his son's business interests, state-run Xinhua news agency reported.
"His family values are skewed and he indulged his wife and children," it said.
In addition, he broke CPC internal rules by storing classified documents and leaking state secrets, the CCDI said.
It said the decision to expel Zhou from the party will be confirmed later at the plenary meeting of the CPC Central Committee.
Zhou's ill-gotten gains will be confiscated and his case will be handed over to prosecutors, it said.