TAIPEI --- It was a hot summer morning in Taipei when several officials from the American Institute in Taiwan, the de facto U.S. embassy, visited the top management of a major tech company, a key supplier to Apple.

It started as U.S. government pressure on American companies to boycott specific Chinese entities. Now, that effort has widened to become a wholesale blockade of Chinese technology. © Illustration by Eric Chow
Apple, Google and others shift production to prepare for 'decoupled' global market