US-China diplomatic talks intensify ahead of Trump-Xi summit in South Korea

Both countries are managing volatility, calibrating minimum cooperation to avoid crisis
An analyst explains why even a successful trade deal would represent only a temporary stabilization of deeper structural tensions.

Rubio and Wang held phone talks to prepare for Thursday's bilateral summit in Busan, signaling de-escalation after recent trade tensions over rare earths and port tariffs. Beijing achieved preliminary trade agreement including temporary tariff suspension and potential fentanilo cooperation, while emphasizing multipolar economics and free trade principles.

  • Rubio and Wang Yi held phone talks Monday to prepare for Thursday's bilateral summit in Busan, South Korea
  • Preliminary trade agreement includes temporary tariff suspension and potential fentanyl cooperation
  • Chinese H-6K bombers conducted maneuvers near Taiwan during the same period as economic negotiations

US and China reactivated diplomatic dialogue through Secretary of State Rubio and Foreign Minister Wang Yi ahead of Trump-Xi meeting in South Korea, with preliminary trade agreements on tariffs and cooperation.

Four days before Donald Trump and Xi Jinping are scheduled to meet in the South Korean port city of Busan, the machinery of American and Chinese diplomacy has begun turning again. On Monday, Secretary of State Marco Rubio and China's Foreign Minister Wang Yi spoke by phone, their conversation a carefully choreographed signal that both capitals are willing to step back from the brink of another trade war. The call came as negotiators from both countries were wrapping up a fifth round of commercial talks in Kuala Lumpur, where they had reached what Chinese officials described as a preliminary agreement—one that would include a temporary pause on reciprocal tariffs and possible cooperation on fentanyl interdiction, alongside discussions of agricultural and technological matters.

The diplomatic temperature has been rising and falling in unpredictable ways. Just weeks earlier, tensions had flared when China tightened controls on rare earth exports, minerals essential to the global technology industry, while the United States announced new port tariffs targeting Chinese vessels. These moves threatened to unravel the fragile truce that had held since the previous year. Now, with the summit approaching, both sides are signaling a desire to manage the volatility, at least for the moment. The White House characterized Rubio's conversation with Wang as focused on "the importance of the relationship between the United States and China and the upcoming meeting between the presidents." Beijing was more explicit, urging Washington to "meet halfway" and prepare the ground for high-level interactions that would reaffirm cooperation between the world's two largest economies.

China's top diplomat framed the relationship between Trump and Xi as built on mutual respect and long-standing exchanges, calling it "the most valuable strategic asset" between the two nations. In Washington, the tone was more guarded. White House advisers acknowledged that the contact aims to stabilize a relationship that has weathered "unnecessary storms," but they stopped short of suggesting any durable reconciliation. Chinese Premier Li Qiang, speaking from Kuala Lumpur where he was attending an ASEAN summit, reinforced the message with a broader critique of what he called "unilateralism." He warned that the world "must not return to the law of the jungle, where the strong dominate the weak"—a pointed reference to Trump's tariff policies, which have rippled far beyond China, affecting allied nations and disrupting global supply chains. "Economic globalization and multipolarity are irreversible processes," Li declared, calling for renewed commitment to free trade and warning that protectionism remains "an enormous risk for the region."

Trump, touring Japan before heading to South Korea, told reporters he expects to "come out of this week with a deal." The Republican businessman, who has built his political brand on being a tough but effective negotiator, needs tangible results to reinforce his narrative of industrial recovery. Xi faces his own pressures—a slowing economy and the lingering effects of years of trade conflict. Yet beneath the diplomatic pleasantries, the structural tensions remain unresolved. While economic teams were meeting in Malaysia, Chinese H-6K bomber aircraft conducted maneuvers near Taiwan, a reminder of how fragile the strategic balance truly is. State media in Beijing described the exercises as "confrontation training." Rubio moved quickly to address the implicit threat, assuring that talks with China "will not compromise" America's commitment to defending Taiwan under U.S. law.

Washington analysts are skeptical that any agreement will represent more than a temporary pause. Craig Singleton, a China expert at the Foundation for Defense of Democracies, argued that even a limited commercial pact would amount only to "temporary stabilization." Both countries, he suggested, are managing volatility and calibrating the minimum cooperation needed to avoid immediate crisis while the underlying competition persists. The stakes are high. If Trump and Xi announce meaningful progress, the encounter could mark a genuine pause in the economic confrontation that has defined global affairs since 2018. If they fail, the risk of another spiral of tariffs and fracturing governance of world trade will return to haunt both capitals.

Economic globalization and multipolarity are irreversible processes
— Chinese Premier Li Qiang
Any agreement would amount only to temporary stabilization; the underlying competition persists
— Craig Singleton, Foundation for Defense of Democracies
A Conversa do Hearth Outra perspectiva sobre a história
Inventor

Why does a phone call between two diplomats matter enough to write about?

Model

Because it signals whether the world's two largest economies are about to escalate into another trade war or find a way to coexist. A call like this is how you know which direction things are moving.

Inventor

But they're just talking. Nothing's been decided yet.

Model

True, but the fact that they're talking at all, after weeks of tit-for-tat moves on tariffs and rare earths, tells you both sides felt the cost of conflict was getting too high. The conversation is the decision.

Inventor

What does China actually want from this summit?

Model

Stability, mostly. Their economy is slowing. They want to show their own people and the region that they're a responsible power, not a reckless one. The rhetoric about "free trade" and "multipolarism" is aimed at everyone watching—not just Washington.

Inventor

And Trump?

Model

He needs a win. He's built his political identity on being a dealmaker. Coming out of this week empty-handed would undermine that. But he also doesn't want to look weak by giving away too much.

Inventor

So they'll probably split the difference?

Model

Maybe for now. But analysts are saying even if they reach a deal, it's just a pause. The real competition—over technology, over Taiwan, over who shapes the region—that doesn't go away with a handshake.

Inventor

What's the Taiwan piece doing in this story?

Model

It's the thing nobody's saying out loud. While diplomats are talking trade, Chinese bombers are flying near Taiwan. It's a reminder that economic negotiations happen in the shadow of military reality.

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