With help from a longtime Silicon Valley investor turned White House insider, Mr. Huang got the administration to reverse course on restrictions.

Days after a White House meeting with President Donald Trump, Jensen Huang was being hailed by an audience on a stage in Beijing.

As America and China swap shots in the trade battle served up by Donald Trump, Mr Huang has pinged and ponged between Washington and Beijing to reassure both sides it is in their mutual interest to let his company keep selling some of its artificial-intelligence ( AI) chips to Chinese buyers.