As the top official in China's commercial hub and its most populous city, Li's position as Shanghai party chief has traditionally been a stepping stone towards a top-two role in China's power structure - including for Xi Jinping himself.
"It's near impossible for Li, who owes his political career largely to Xi, to even consider doing anything to undermine Xi.
KEY CONFIDANTA native of Zhejiang province, Li, 63, was Xi's chief of staff - a role for the most trusted confidants - from 2004 to 2007 when Xi was party chief of Zhejiang.
In Seattle with Xi, Li gave a speech calling for more cooperation between Zhejiang and U.S. firms.
Making his rounds, he reiterated the COVID party line: "We must resolutely implement the spirit of the important instructions by Party Secretary Xi Jinping and steadfastly persist in the dynamic-zero approach".