The Biden administration's sweeping new export controls aimed at cutting off China from obtaining chips used in supercomputers has caused the "complete collapse" of the Communist country's semiconductor industry, an analyst claims.

"This is what annihilation looks like: China's semiconductor manufacturing industry was reduced to zero overnight," Jordan Schneider, a US-based China tech expert and analyst at Rhodium Group, said in an extensive tweet thread on Friday.

Schnieder said rules announced by the US Department of Commerce last week restricting "US persons" from involvement in manufacturing chips in China had led to mass resignations of American executives from Chinese firms.

This had the effect of "paralyzing Chinese manufacturing overnight", adding that the industry was in "complete collapse" with "no chance of survival".

Schneider did not immediately respond to a request for an interview, but wrote on Twitter that the rules which came into effect on 12 October would bring severe damage to "Chinese national security as a whole".

"This is nothing like the 10+ rounds of performative sanctioning during the Trump years this is a serious act of industry wide decapitation."

The US Commerce Department said in a statement announcing the new controls that they were in response to China using supercomputers and semiconductors to create weapons of mass destruction and commit human rights abuses.

"The threat environment is always changing, and we are updating our policies today to make sure we're addressing the challenges posed by (China) while we continue our outreach and coordination with allies and partners," Under Secretary of Commerce for Industry and Security Alan Estevez said in a statement.

Semiconductors are used in everything from cars to refrigerators, and are increasingly important in artificial intelligence and advanced military programmes.

Among the new measures were requirements for companies to have licenses to export high-performance chips used in artificial intelligence and supercomputers, and restrict US companies from exporting machinery used in manufacturing chips to China.

Any companies that violated the sanctions could face arrest by the US Department of Justice.

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