Raymond Zhong

Trump-administration moves herald a new, more invasive American philosophy of tech regulation, one that hews closer to China’s protectionist one, though without the aims of censoring content and controlling the populace. The shift could hurt American internet giants like Facebook and Google, which have greatly benefited from the borderless digital terroir outside China, as well as Chinese internet giants like Tencent and Alibaba, which have tried to expand into the West.

For all of China’s economic advancements in recent decades, the rudiments of connected life — capable smartphones, reliable internet — remain out of reach for large segments of the population.

Huawei is suing the Federal Communications Commission for choking off its sales in the United States, the latest in the besieged company’s widening efforts to hit back at regulators and critics across the globe. The FCC voted in November to bar American telecommunications companies from using federal subsidies to buy equipment from Huawei and another Chinese supplier, ZTE. Washington considers both firms to be national security risks. “The FCC claims that Huawei is a security threat.

Over the past year, the United States has embarked on a stealthy, occasionally threatening, global campaign to prevent Huawei and other Chinese firms from participating in the most dramatic remaking of the plumbing that controls the internet since it sputtered into being, in pieces, 35 years ago. The administration contends that the world is engaged in a new arms race — one that involves technology, rather than conventional weaponry, but poses just as much danger to America’s national security.

Forget Google versus Facebook. Forget Uber versus Lyft. Forget Amazon versus … well, everybody. The technology world’s most bruising battle for supremacy is taking place in China. And it could point to Big Tech’s future everywhere else, too.

For the last decade or so, China has defied the truism that only free and open societies can innovate. Even as the Communist Party has kept an iron grip on politics and discourse, the country’s technology industry has grown to rival Silicon Valley’s in sophistication and ambition. President Xi Jinping’s tilt toward strongman rule could put all that to the test. As Mr.