He made the remarks during a joint press conference with Australian Foreign Minister Julie Bishop in Beijing.
China foreign minister said Iran's nuclear issue was resolved because there were decade-long negotiations between Iran and world powers.
However, North Korea's nuclear issue is at a standstill because the six-party talks have 'broken down for eight years,' Wang added.
North Korea must pay a 'necessary price' under a new UN resolution against the PDRK's fourth nuclear test and launch of a long-range rocket this year, China's foreign minister noted.
'North Korea's nuclear test and satellite launch constituted a serious move against Security Council resolutions,' Wang said.
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