Secretary of State Antony J. Blinken cheered on the sidelines at a basketball sport in Shanghai on Wednesday evening, and spent Thursday chatting with college students at New York College’s Shanghai campus and assembly American enterprise house owners. All of it went to emphasise the type of financial, academic and cultural ties that the USA is pointedly holding up as useful for each international locations.

However hanging over these pleasantries throughout his go to to China this week are a number of steps the U.S. is taking to sever financial ties in areas the place the Biden administration says they threaten American pursuits. And people would be the focus of larger consideration from Chinese language officers, as properly.

Even because the Biden administration tries to stabilize the connection with China, it’s advancing a number of financial measures that may curb China’s entry to the U.S. financial system and know-how. It’s poised to boost tariffs on Chinese language metal, photo voltaic panels and different essential merchandise to attempt to shield American factories from low cost imports. It’s weighing additional restrictions on China’s entry to superior semiconductors to attempt to maintain Beijing from creating refined synthetic intelligence that may very well be used on the battlefield.

This week, Congress additionally handed laws that may power ByteDance, the Chinese language proprietor of TikTok, to promote its stake within the app inside 9 to 12 months or go away the USA altogether. The president signed it on Wednesday, although the measure is more likely to be challenged in courtroom.

Mr. Blinken’s go to, which was anticipated to take him to Beijing on Friday for high-level authorities conferences, had a way more cordial tone than on the journey he made to China final yr. That journey was the primary after a Chinese language spy balloon traveled throughout the USA, tipping the American public into an uproar.

In a gathering with the Shanghai Communist Celebration secretary Thursday morning, Mr. Blinken mentioned direct engagement between the U.S. and China was each invaluable and crucial.

“We’ve got an obligation for our individuals — certainly an obligation to the world — to handle the connection between our two international locations responsibly,” he mentioned.

Chatting with college students on the N.Y.U.’s Shanghai campus later that morning, he mentioned the academic exchanges the scholars had been engaged in supplied a “ballast” for an advanced and confrontational relationship.

Since President Biden met with the Chinese language chief, Xi Jinping, in California in November, the U.S.-China relationship has appeared extra secure, with nothing just like the dramatic ups and downs of the commerce spats below former President Donald J. Trump.

However the Biden administration has nonetheless been marching towards a extra restrictive financial relationship with China.

That features controls on semiconductor know-how, that are being raised by either side as a extra outstanding challenge than ever earlier than. The Biden administration has been weighing additional export controls, significantly on factories which were serving to produce superior semiconductors for the Chinese language tech big Huawei.

“By explicitly attempting to degrade Chinese language tech capabilities, particularly on superior AI, the USA has moved export controls to the forefront of the U.S.-China agenda,” mentioned Emily Benson, a commerce knowledgeable on the Heart for Strategic and Worldwide Research, a Washington suppose tank.

In a name between Mr. Biden and Mr. Xi earlier this month, each leaders raised the know-how controls as issues of central significance.

Mr. Biden emphasised that the USA would proceed to take crucial actions to stop superior American applied sciences from getting used to undermine its personal nationwide safety, with out unduly limiting commerce and funding, in accordance with the White Home.

Mr. Xi mentioned that placing new sanctions on China was not “de-risking,” however creating dangers. If the USA was bent on “containing China’s hi-tech improvement and depriving China of its respectable proper to improvement, China is just not going to take a seat again and watch,” he mentioned, according to the official Xinhua Information Company.

U.S. officers say their restrictions are crucial given China’s authoritarian authorities and statist financial mannequin. However the strikes have rankled Chinese language leaders and pushed tensions over financial measures to their highest level in years.

The measures usually are not simply emanating from the U.S. authorities: Susan Shirk, the creator of “Overreach: How China Derailed Its Peaceable Rise,” mentioned that China had pivoted towards a extra self-sufficient industrial coverage, and has been in search of to supplant the USA as a high-tech superpower below Mr. Xi.

“Xi brazenly acknowledges that whereas he desires China to be much less depending on different international locations, he desires to maintain different international locations depending on China ‘as a robust countermeasure and deterrent’ as he put it, ‘in opposition to them reducing off provide,’” Ms. Shirk mentioned.

China, too, has allowed safety considerations to have an effect on a larger proportion of its financial system, at the same time as Mr. Xi and different Chinese language leaders have tried to reassure international companies that their funding is welcome. A brand new nationwide safety regulation has prolonged Beijing’s attain into Hong Kong, threatening town’s standing as a monetary hub. American executives have been alarmed by China’s investigations of international corporations, in addition to the nation’s broader guidelines in opposition to sharing information and data with foreigners.

Regardless of China’s complaints in regards to the U.S. authorities’s efforts to crack down on TikTok, China itself has for many years banned different Western social media companies. Apple mentioned final week that Beijing had ordered it to take away WhatsApp and Threads from app shops in China.

Mr. Blinken and different U.S. officers have emphasised that American export controls, sanctions and different restrictions being imposed on Chinese language tech firms apply to solely a small fraction of the broader U.S.-China relationship. Elsewhere, commerce is inspired, they are saying.

In a report this week, the U.S.-China Enterprise Council, a bunch of 270 American firms that do enterprise in China, estimated that U.S. exports to China supported greater than 900,000 American jobs in 2022, although items exports fell in 2023 as a result of China’s lackluster financial system, U.S. tariffs and different components.

“It is vital for us to remind U.S. lawmakers and people in influential positions that each state and congressional district within the U.S. maintains its personal financial and commerce relationship with China, and modifications in U.S.-China commerce coverage must be thought of very rigorously,” mentioned Craig Allen, the group’s president.