"Every country has its own troubles".
State Councilor Yang Jiechi made the remarks at the opening of a second day of meetings between Chinese officials and special envoy Lee Hae-chan, a former South Korean prime minister.
On Wednesday, Moon said he would never tolerate North Korea's nuclear and missile provocations, and called on military readiness of a "combined U.S".
Communications were severed past year, Lee said, in the wake of new sanctions following a fifth nuclear test and Pyongyang's decision to shut down a joint industrial zone operated inside the North.
Lee said the ROK acknowledged that the deployment of THAAD has harmed ROK-China mutual trust and exchanges, and fully understands China's reasonable concern over the issue.
North Korea, on various occasions, has announced that it seeks to develop a nuclear-capable ballistic missile with the ability to strike the United States mainland.
A US Navy commander on Wednesday pushed for a "sense of urgency" over North Korea's nuclear and missile development, stressing that it even threatens Pyongyang's ally China and neighbour Russian Federation.
Trump has said "a major, major conflict" with North Korea was possible and all options were on the table but wanted to resolve the crisis diplomatically and peacefully, possibly through the use of economic sanctions. "Calling the complete dismantlement of Pyongyang's nuclear programs an ultimate goal, Moon and Trump both believe that all possible means including sanctions and talks should be used".
Shares in Lotte Shopping reversed earlier losses to rise 1.5 percent, while Hotel Shilla, South Korea's second-largest duty free store operator, rose 2.8 percent.
"And he said he looks forward to cooperating closely with President Moon in resolving the North Korean nuclear issue so as to produce an outcome", Hong said. There could be friction between the US and South Korea as well as the North.
China urged the United States and North Korea to commit to a political decision to solve the "nuclear problem". They're intimidating the entire worldwide community.
Admiral Harry Harris Jr, who is in charge of the United States Pacific Command based in Hawaii, said on Wednesday (17 May) that North Korean leader Kim Jong-un was inching closer to developing a nuclear warhead capable of striking any country.
"We had a serious discussion but I find it uncomfortable to say more about it", Moon said, adding that both sides expressed their positions. The successful test represents a major step in the North's nuclear program.
The U.S. military launched 59 Tomahawk missiles at a Syria-government airfield in what President Donald Trump stated was retaliation for a chemical weapon attack it claimed was carried out by the regime of Bashar al-Assad.