China supports Iran's membership of the Shanghai Cooperation Organisation security bloc, jointly led by China and Russia, and the subject will be discussed at the group's summit this week, a senior diplomat said on Monday.
The SCO refused to initiate Iran's accession last year despite a request from Russia which backs Tehran's bid, indicating possible divisions between Beijing and Moscow.
Iran has long knocked at SCO's door and Russia has argued that with Western sanctions against Tehran lifted, it could finally become a member of the bloc which also includes four ex-Soviet Central Asian republics.
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