Last October, construction plans for a hulking semiconductor factory owned by a major state-backed company in central China fell into disarray. The Biden administration had escalated the trade war over technology, severing China’s access to the Western tools and skilled workers it needed to build the most advanced semiconductors.Some employees with U.S. citizenship departed the company. Three U.S. equipment suppliers almost immediately halted their shipments and services, and Europe and Japan are expected to do the same soon.The facility belonged to Yangtze Memory Technologies Corporation, or YMTC, a memory chip company that Xi Jinping, China’s president, has extolled as a flag-bearer in China’s race toward self-reliance. Now, the chip maker and its peers are hurriedly overhauling …
