[na85]

China can assassinate you on foreign soil - as Russia has demonstrated, the consequences for this are essentially nil.

[Nasrudith]

For a nuclear power petrostate with minimal economic ties. China would get the shit boycotted out of them at least and Iran would get the shit bombed out of them as many politicians have been caught openly drooling at the prospect.

[na85]

Says you, a random internet commentor.

Meanwhile international diplomacy's track record is clear.