"The fact is that China's double suspension proposal worked as a medicine and was proved to lay the best groundwork for improvement in North-South relations", Wang added.
He said peace must prevail, amid signs of easing tension over North Korea's nuclear and missile threats.
"We can not reveal everything to the media but we do have additional views of North Korea we will relay to the United States when we visit the US", South Korea's head of national security Chung Eui-yong told reporters.
China has responded positively to the developments, as one would expect.
The relationship between Seoul and Pyongyang has been ostensibly improving after North Korea made a decision to join the February 9-25 Olympics in South Korea.
A quick recap on what's taken place so far this year: North Korean leader Kim Jong-un signaled a willingness to participate in the PyeongChang Winter Olympics in South Korea during his New Year's address.
Korea mulls entering new Pacific trade pact
The revised pact keeps most of the provisions, including tariff reductions, agreed in 2016 when USA was still a member. New Zealand, Japan, Canada, Mexico, Chile and Australia will all grow by an additional 1% or less.
On Tuesday, the South Korean Government announced President Moon Jae In and North Korean leader Kim Jong Un were set to hold a summit in April - only the third time in history that the countries' leaders would have met.
"We are cheering them on", Chinese foreign ministry spokesman Geng Shuang told reporters on Thursday. China will support ASEAN community building and work for the early conclusion of the Regional Comprehensive Economic Partnership, he said.
To this end, Wang encouraged all parties, "especially the United States and North Korea", to initiate contact and dialogue.
"China and France have joined hands to build a nuclear power station in Britain, becoming a model for cooperation in new high-tech projects for the Belt and Road", he said, referring to the Hinkley Point scheme, which British Prime Minister Theresa May initially put on hold when she came to office in 2016.
"Talks for the sake of talks are meaningless and we should never loosen sanctions just because North Korea is open to talks", he said.
But the talks broke down in 2008, after failing to agree on how to verify the North's commitments, and in 2009 North Korea conducted its second nuclear weapons test.