Defense Minister Wei reiterated during the press conference that China would take any necessary measures to ensure the eventual unification of Taiwan is not threatened, a statement in response to the sailing of a USA warship through the Taiwan Strait for the second time in several months.
Yang said China believed that "that no country should use any excuse to engage in militarisation in the region", while Mattis said the United States shared its "continued concern about China's activities and militarisation in the South China Sea". The U.S. Navy says a Chinese destroyer came close to the USS Decatur in late September in an "unsafe and unprofessional maneuver" near a disputed reef in the South China Sea, where Beijing has sweeping but disputed sovereignty claims.
The two sides should "properly manage differences and carefully prepare to ensure positive results in the Argentine meeting", politburo member Yang Jiechi told US national security adviser John Bolton in Washington, China's Foreign Ministry said in a statement on Thursday.
Mr Yang said that China was committed to resolving trade issues through negotiation, while Mr Pompeo said bilateral cooperation remained essential despite their differences.
Wang told Kissinger that China believes the two countries could properly resolve the trade dispute through dialogue.
Richard Haass, who presides over the Council of Foreign Relations in the USA, said: "The chance of an incident, which we already almost had, remains very high". U.S. President Donald Trump has promised to fix China's "longtime abuse of the broken global system and unfair practices".
"We made clear that the United States will continue to fly, sail and operate wherever global law allows".
In other news this week, China announced that it is grooming 31 of its smartest teenagers to develop AI-powered weapons.
They also agreed to follow the direction and principles set by the two top leaders, manage and control differences on the basis of mutual respect, expand cooperation based on mutual benefit and win-win cooperation, so as to push forward the China-U.S. relationship featuring coordination and cooperation.
Fault lines between the U.S. and China were on clear display Friday as senior officials challenged each other over the South China Sea, Taiwan, religious freedom and trade just weeks before President Donald Trump is set to meet with President Xi Jinping.
He also said he hoped to see cooperation from China in addressing Iran's nuclear missile programs and other malign activities. In September, a Chinese destroyer and a United States warship almost collided in the disputed waters.
For its part, the USA side said that it welcomes China's economic development and success, and it has no intention to contain China. "Nor must it lead to conflict", Mattis said.
However, at the same time, he said, Beijing expects Washington to respect China's security and development interests and sovereignty in the Asia-Pacific.
He said China has undertaken some constructions on the islands and reefs in the region, however, "most of them are civilian facilities" whose goal is to "serve the interest of the Chinese people and also to provide public goods to others". Yang insisted that Chinese people have freedom of religion, and that "foreign countries have no right to interfere".
Calling Kissinger an old friend of the Chinese people, Xi applauded the USA diplomat's contribution to bilateral relations.
The meeting is the latest sign that tensions between the world's two biggest economies could be easing. -China Diplomatic and Security Dialogue, put into place by President Trump a year ago.