a pledge of 236 companies to oppose forced labor and encouraged companies to sever any ties with Xinjiang by June.

Some Chinese companies have responded by reshuffling their supply chains, funneling polysilicon and other solar products they manufacture outside Xinjiang to American buyers, and then directing their Xinjiang-made products to China and other markets.

Analysts say this kind of reorganization is, in theory, feasible. About 35 percent of the world’s polysilicon comes from regions in China other than Xinjiang, while the United States and the European Union together make up around 30 percent of global solar panel demand, according to Johannes Bernreuter, a polysilicon market analyst at Bernreuter Research.

John Smirnow, the general counsel for the Solar Energy Industries Association, said most solar companies were already well on their way toward extricating supply chains from Xinjiang.

also been reported in Chinese facilities outside Xinjiang where Uyghurs and other minorities have been transferred to work. And restrictions on products from Xinjiang could spread to markets including Canada, Britain and Australia, which are debating new rules and guidelines.

Human rights advocates have argued that allowing Chinese companies to cleave their supply chains to serve American and non-American buyers may do little to improve conditions in Xinjiang and have pressed the Biden administration for stronger action.

“The message has to be clear to the Chinese government that this economic model is not going to be supported by governments or businesses,” said Cathy Feingold, the director of the A.F.L.-C.I.O.’s International Department.

Chinese companies are also facing pressure from Beijing not to accede to American demands, since that could be seen as a tacit criticism of the government’s activities in Xinjiang.

In a statement in January, the China Photovoltaic Industry Association and China Nonferrous Metals Industry Association condemned “irresponsible statements” from U.S. industries, which they said were directed at curbing Xinjiang’s development and “meddling in Chinese domestic affairs.”

“It is widely known that the ‘forced labor’ issue is in its entirety the lie of the century that the United States and certain other Western countries have concocted from nothing,” they said.

mothballed a new $1.2 billion facility in Tennessee in 2014, while REC Silicon shut its polysilicon facility in Washington in 2019.

China has promised to carry out large purchases of American polysilicon as part of a trade deal signed last year, but those transactions have not materialized.

In the near term, tensions over Xinjiang could be a boon for the few remaining U.S. suppliers. Ms. Sullivan said some small U.S. solar developers had reached out to REC Silicon in recent months to inquire about non-Chinese products.

But American companies need the promise of reliable, long-term orders to scale up, she said, adding that when she explains the limited supply of solar products that do not touch China, people become “visibly ill.”

“This is the big lesson,” Ms. Sullivan added. “You become dependent on China, and what does it mean? We have to swallow our values in order to do solar.”

Chris Buckley contributed reporting.

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China’s Anger at Foreign Brands Helps Local Rivals

Tim Min once drove BMWs. He considered buying a Tesla.

Instead Mr. Min, the 33-year-old owner of a Beijing cosmetics start-up, bought an electric car made by a Chinese Tesla rival, Nio. He likes Nio’s interiors and voice control features better.

He also considers himself a patriot. “I have a very strong inclination toward Chinese brands and very strong patriotic emotions,” he said. “I used to love Nike, too. Now I don’t see any reason for that. If there’s a good Chinese brand to replace Nike, I’ll be very happy to.”

Western brands like H&M, Nike and Adidas have come under pressure in China for refusing to use cotton produced in the Xinjiang region, where the Chinese government has waged a broad campaign of repression against ethnic minorities. Shoppers vowed to boycott the brands. Celebrities dropped their endorsement deals.

But foreign brands also face increasing pressure from a new breed of Chinese competitors making high-quality products and selling them through savvy marketing to an increasingly patriotic group of young people. There’s a term for it: “guochao,” or Chinese fad.

HeyTea, a $2 billion milk tea start-up with 700 stores, wants to replace Starbucks. Yuanqisenlin, a four-year-old low-sugar drink company valued at $6 billion, wants to become China’s Coca-Cola. Ubras, a five-year-old company, wants to supplant Victoria’s Secret with the most non-Victoria’s Secret of products: unwired, sporty bras that emphasize comfort.

The anger over Xinjiang cotton has given these Chinese brands another chance to win over consumers. As celebrities cut their ties to foreign brands, Li-Ning, a Chinese sportswear giant, announced that Xiao Zhan, a boy band member, would become its new global ambassador. Within 20 minutes, almost everything that Mr. Xiao wore on a Li-Ning advertisement had sold out online. A hashtag about the campaign was viewed more than one billion times.

China is undergoing a consumer brand revolution. Its young generation is more nationalistic and actively looking for brands that can align with that confidently Chinese identity. Entrepreneurs are rushing to build up names and products that resonate. Investors are turning their attention to these start-ups amid dropping returns from technology and media ventures.

When patriotism becomes a selling point, Western brands are put at a competitive disadvantage, especially in a country that increasingly requires global companies to toe the same political lines that Chinese firms must.

a jump in Tesla deliveries. IPhones remain immensely popular. Campaigns against foreign names have come and gone, and local brands that emphasize politics too much risk unwanted attention if the political winds shift quickly.

Still, interest in local brands marks a significant shift. Post-Mao, the country made few consumer products. The first televisions that most families owned in the 1980s were from Japan. Pierre Cardin, the French designer, reintroduced fashion with his first show in Beijing in 1979, bringing color and flair to a nation that during the Cultural Revolution wore blue and gray.

Chinese people born in the 1970s or earlier remember their first sip of Coco-Cola and their first bite of a Big Mac. We watched films from Hollywood, Japan and Hong Kong as much for the wardrobes and makeup as the plot. We rushed to buy Head & Shoulders shampoo because its Chinese name, Haifeisi, means “sea flying hair.”

“We’ve gone through the European and American fad, the Japanese and Korean fad, the American streetwear fad, even the Hong Kong and Taiwan fad,” said Xun Shaohua, who founded a Shanghai sportswear company that competes with Vans and Converse.

Now could be the time for the China fad. Chinese companies are making better products. China’s Generation Z, born between 1995 and 2009, doesn’t have the same attachment to foreign names.

Even People’s Daily, the traditionally staid Communist Party official newspaper, is getting into branding. It started a streetwear collection with Li-Ning in 2019. That same year, it issued a report with Baidu, the Chinese search company, called “Guochao Pride Big Data.” They found that when people in China searched for brands, more than two-thirds were looking for domestic names, up from only about one-third 10 years earlier.

makes up only about 40 percent of China’s economic output, much less than it does in the United States and Europe.

Patriotism aside, entrepreneurs argue that their ventures rest on a solid business foundation. Similar trends happened in Japan and South Korea, both now home to strong brands. Local players better know the abilities of the country’s supply chains and how to use social media.

Mr. Xun’s sports brand has half a million followers on Alibaba’s Taobao marketplace and sells at the same prices as Vans and Converse, or even slightly higher. He said his brand competed by making shoes that fit Chinese feet better and offering colors favored locally, such as mint green and fuchsia. He sells exclusively online and teams up with Chinese and foreign brands and personalities, including Pokemon and Hello Kitty. At 37, he’s the only person in his company who was born before 1990.

The guochao fad has also reinvigorated older Chinese brands, like Li-Ning. For many years, sophisticated urbanites considered the brand, created by a former world champion gymnast of the same name, ugly and cheap. Its signature red-and-yellow color combination, after the Chinese flag, was mockingly called “eggs fried with tomato,” an everyday Chinese dish. Li-Ning was losing money. Its shares were on a losing streak.

Then the company introduced a collection at New York Fashion Week in early 2018. Its edgy look, combined with bold Chinese characters and embroidery, created buzz back home. Its shares have risen nearly ninefold since then. Now Li-Ning’s high-end collections sell at $100 to $150 on average, on a par with those of Adidas.

National Basketball Association and Dolce & Gabbana passed pretty quickly, this bout could linger, many people said.

“In the past, some Western brands didn’t understand or failed to respect the Chinese culture mostly because of lack of understanding,” Mr. Xun said. “This time it’s a political issue. They have violated our political sensitivities.”

Then, like any savvy Chinese entrepreneur who knows which topics are sensitive, he asked, “Could we not talk about politics?”

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How China’s Outrage Machine Kicked Up a Storm Over H&M

When the Swedish fast-fashion giant H&M said in September that it was ending its relationship with a Chinese supplier accused of using forced labor, a few Chinese social media accounts dedicated to the textile industry took note. But by and large, the moment passed without fanfare.

Half a year later, Beijing’s online outrage machine sprang into action. This time, its wrath was unsparing.

The Communist Party’s youth wing denounced H&M on social media and posted an archival photo of slaves on a Mississippi cotton plantation. Official news outlets piled on with their own indignant memes and hashtags. Patriotic web users carried the message across far and varied corners of the Chinese internet.

Within hours, a tsunami of nationalist fury was crashing down upon H&M, Nike, Uniqlo and other international clothing brands, becoming the latest eruption over China’s policies in its western region of Xinjiang, a major cotton producer.

sanctions imposed on Chinese officials last week by the United States, the European Union, Britain and Canada in connection to Xinjiang. China has placed hundreds of thousands of the region’s Uyghurs and other ethnic minorities in indoctrination camps and used harsh methods to push them into jobs with factories and other employers.

“The hate-fest part is not sophisticated; it’s the same logic they’ve followed going back decades,” said Xiao Qiang, a research scientist at the School of Information at the University of California, Berkeley, and the founder of China Digital Times, a website that tracks Chinese internet controls. But “their ability to control it is getting better,” he said.

“They know how to light up those ultra-pro-government, nationalist users,” Mr. Xiao continued. “They’re getting very good at it. They know exactly what to do.”

rejected the notion that Beijing had led the boycott campaign against H&M and the other brands.

“These foreign companies refuse to use Xinjiang cotton purely on the basis of lies,” Mr. Zhao said at a news briefing. “Of course this will trigger the Chinese people’s dislike and anger. Does the government even need to incite and guide this?”

After the Communist Youth League ignited the outrage on Wednesday, other government-backed groups and state news outlets fanned the flames.

They posted memes proposing new meanings behind the letters H and M: mian hua (cotton), huang miu (ridiculous), mo hei (smears). The official Xinhua news agency posted an illustration depicting the Better Cotton Initiative, a group that had expressed concerns about forced labor in Xinjiang, as a blindfolded puppet controlled by two hands that were patterned like an American flag.

The buzz quickly drew notice at Beijing’s highest levels. On Thursday, a Foreign Ministry spokeswoman held up a photo of slaves in American cotton fields during a news briefing.

shared a clip showing a worker removing an H&M sign from a mall. A user in Beijing who posts about television stars highlighted entertainers who had ended their contracts with Adidas and other targeted brands.

“Today’s China is not one that just anyone can bully!” he wrote to his nearly seven million followers. “We do not ask for trouble, but we are not afraid of trouble either.”

A fashion influencer named Wei Ya held a live video event on Friday hawking products made with Xinjiang cotton. In her Weibo post announcing the event, she made sure to tag the Communist Youth League.

By Monday, news sites were circulating a rap video that combined the cotton issue with some popular recent lines of attack on Western powers: “How can a country where 500,000 have died of Covid-19 claim the high ground?”

One Weibo user posted a lushly animated video that he said he had worked through the night to make. It shows white-hooded men pointing guns at Black cotton pickers and ends with a lynching.

“These are your foolish acts; we would never,” a caption reads.

Less than two hours after the user shared the video, it was reposted by Global Times, a party-controlled newspaper known for its nationalist tone.

Many web users who speak up during such campaigns are motivated by genuine patriotism, even if China’s government does pay some people to post party-line comments. Others, such as the traffic-hungry blog accounts derided in China as “marketing accounts,” are probably more pragmatic. They just want the clicks.

tests conducted by China Digital Times, internet platforms have been diligently controlling search results and comments related to Xinjiang and H&M since last week.

An article in Global Times urged readers to “resolutely criticize those like H&M that make deliberate provocations, but at the same time, stay rational and beware of pretend patriots joining the crowd to stir up hatred.”

The Communist Youth League has been at the forefront of optimizing party messages for viral engagement. Its influence is growing as more voices in society look for ways to show loyalty to Beijing, said Fang Kecheng, an assistant professor in the School of Journalism and Communications at the Chinese University of Hong Kong.

apologized for the “bad impact” her post had made.

“Don’t just support Xinjiang cotton, support Xinjiang people too!” another Weibo user wrote. “Support Xinjiang people walking the streets and not having their phone and ID checked.”

The post later vanished. Its author declined to comment, citing concerns for his safety. Weibo did not respond to a request for comment.

Lin Qiqing contributed research.

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China’s Outrage over Forced Labor Charges Targets H&M, Adidas and Nike

H&M faces a boycott. Tommy Hilfiger, Adidas, Nike, Converse and Calvin Klein have lost their brand ambassadors. Burberry has had to give up an online video game partnership.

Western brands are suddenly feeling the wrath of the Chinese consumer, the very shoppers who for years have clamored for their products and paid them vast amounts of money. Egged on by the ruling Communist Party, Chinese online activists are punishing foreign companies that have joined a call to avoid using cotton produced in the Chinese region of Xinjiang, where the authorities are waging a broad campaign of repression against ethnic minorities.

The sudden bout of rage lays bare the vulnerability of foreign companies as tensions worsen between China and the United States and other countries. Lawmakers in the United States in particular who have been increasingly critical of China have pressured international companies to take a public stance on China’s human rights practices, including in Xinjiang. That makes the companies convenient targets for Chinese officials who are aggressively pushing back against American officials.

“A lot of Western countries and China are pretty black-and-white on this issue. There’s not a lot of gray,” said Trey McArver, a co-founder of Trivium China, a consultancy that helps foreign businesses sell in China, referring to the opposing stances over Beijing’s policies in Xinjiang. “You can’t agree with both of them, so I don’t think it’s an easy answer.”

imposed fresh sanctions on top Chinese officials this week. These sought to punish Beijing for abuses against the Uyghurs and other minorities, which have been well documented by foreign media and rights groups. There is also growing evidence that cotton from Xinjiang is linked to coercive labor programs and mass internment of as many as one million Uyghurs, Kazakhs and other largely Muslim minorities, the U.S. government and rights groups say.

It isn’t clear what the long-term impact might be on Western companies that depend on China to make or buy their products. On Thursday, there was still a steady stream of shoppers at several popular H&M and Nike outlets in Shanghai and Beijing. Previous state media-driven pressure campaigns against companies like Apple, Starbucks and Volkswagen failed to dent Chinese demand for their products.

Still, their position could become increasingly precarious as Beijing looks for ways to counter the narrative. And it is no stranger to flexing its economic muscle for political ends.

Years earlier, after South Korea embraced an American antimissile defense system, the Chinese government fed anti-South Korean sentiment in the country that forced Lotte Mart, a popular South Korean supermarket, to shut many of its outlets. The missile system stayed, but Beijing was still able to exact pain.

Such tactics have become a common feature of China’s increasingly aggressive brand of diplomacy. Chinese diplomats now routinely deploy a mix of threats and nationalistic messages to browbeat Beijing’s critics and assert the country’s interests.

phrase traced to Xi Jinping, China’s top leader, who, in demanding loyalty to the party, said in 2014: “Never allow eating the Communist Party’s food and then smashing the Communist Party’s cooking pots.”

raised concerns about labor in Xinjiang. She said she was now skeptical of the brand. “I probably would not buy it from now on,” she said.

Chinese state media outlets have overtly stoked the outrage with hashtags on social media and bold headlines. Government officials have sought to depict the outcry as authentic, with a Commerce Ministry spokesman saying on Thursday that Chinese consumers were “hoping that the relevant companies would correct their wrong practices.”

For decades, foreign companies operating in China have been largely wary of appearing critical of the Chinese government. And in recent years, several of them have been besieged by a growing army of nationalistic online users, who have been ready to pounce on the three T’s: Tibet, Taiwan and Tiananmen. All have been quick to apologize, and emerged largely unscathed.

an alliance to curb China’s influence, Beijing, emboldened by its success in curbing the coronavirus outbreak at home, is pushing back hard against what it perceives as hypocrisy.

“It might get more heated,” said Jörg Wuttke, the president of the European Chamber of Commerce in China, in an email. More European companies are going to be caught between a rock and a hard place, he said. “Everybody has to service their domestic crowd.”

But for many of these companies, the issue is more complicated than a matter of managing public relations.

To obtain cotton, the companies almost certainly need to get it from Xinjiang, which produces 87 percent of the material in China. Roughly one in five cotton garments sold globally contains cotton or yarn from Xinjiang.

But in January, the Trump administration announced a ban on imports of cotton from Xinjiang, as well as all products made with those materials, putting pressure on brands to check their supply chains. Rights groups such as the Uyghur Human Rights Project have also been pushing American lawmakers to enact sweeping legislation that would block imports from Xinjiang, unless companies can prove that their supply chains are free of forced labor.

Ms. Hua, the Foreign Ministry spokeswoman, on Thursday denounced the accusations of forced labor, saying Beijing’s policies in Xinjiang provided employment opportunities to lift people out of poverty.

“The accusation of ‘forced labor’ in Xinjiang is entirely a lie concocted by certain anti-China forces,” she said. “The purpose is to discredit China’s image, undermine Xinjiang’s security and stability and impede China’s development.”

Communist Youth League, an influential Communist Party organization, and state media highlighted a statement that the company made eight months ago setting out its concerns about forced labor in Xinjiang. That prompted Chinese internet users to call for a boycott.

The company responded on Wednesday by saying its statement last year on Xinjiang did not “represent any political position.” That made internet users, who were baying for an apology, only more furious.

On Thursday, a mall in Xinjiang’s capital, Urumqi, shut an H&M outlet, urging the company to apologize formally to people in the region. In the southwestern city of Chengdu, workers dismantled the company’s sign from a store.

“I don’t expect this to die down,” said Surya Deva, an associate professor at the City University of Hong Kong and a member of the United Nations working group on business and human rights. “This is a different trajectory and a different era.”

Justine Nolan, a professor in Sydney at the faculty of law and justice at the University of New South Wales, said it was also an opportunity for foreign companies to demonstrate their support for human rights.

“They are now being put to the test,” she added. “This is the red line for them — and it’s not an issue that they can afford to be halfhearted about.”

Reporting and research were contributed by Coral Yang, Claire Fu, Chris Buckley and Elsie Chen.

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