"It will help the DPRK to make the right and smart decision," Wang told reporters, according to a translator, after discussing the sanctions with North Korean Foreign Minister Ri Hong-Yo ahead of a regional security forum in the Philippine capital Manila.
However Wang also emphasised that negotiations were the only way to solve the issue, after the United States had left open the possibility of military action against Kim Jong-Un's regime.
"It's not that easy but it is a direction we need to work together towards," Wang said of the six-nation talks.
"Only dialogue and negotiation is the correct way out to address the Korean peninsula issue."
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The top diplomats from all those nations are in Manila for the ASEAN Regional Forum, an annual security forum, which begins on Monday.
US Secretary of State Rex Tillerson has no plans to hold talks with Ri in the Philippines, his aides have said, but could meet him inside one of the meetings.
The sweeping measures were the first of that scope to be imposed on North Korea since US President Donald Trump took office and highlighted China's willingness to punish its Pyongyang ally.
The resolution imposed a full ban on exports of coal, iron and iron ore, lead and lead ore as well as fish and seafood by the cash-starved state -- stripping North Korea of a third of its export earnings estimated at $3 billion per year.