The head of Parliament's intelligence committee has thrown a stick of dynamite into the government's efforts to improve its "tense" relationship with China, naming Australian-Chinese businessman Chau Chak Wing as an unindicted co-conspirator, "CC-3" in a US bribery case.

Last night, West Australian MP Andrew Hastie, who heads the Parliamentary Joint Committee on Intelligence and Security (PJCIS), told the Federation Chamber: