December 24 news, according to foreign media reports, U.S. President Joe Biden asked the Office of the U.S. Trade Representative to launch a Section 301 investigation into the dominant position of China's mature nodes of behaviour and its impact on the U.S. economy, as well as involving China's impact on the production of silicon carbide substrates or other wafers.
Biden said the Section 301 investigation involves semiconductors and downstream products in key areas such as defence, automotive, medical devices, aerospace, telecoms, power generation and power grids, thereby protecting US workers and businesses, while the US will raise the tariff rate on Chinese chips from the current 25% to 50% in 2025.
However, as these measures will take a long time to get off the ground, they are expected to be left to the next US president, Donald Trump, for final confirmation.

An industry source said that this is the U.S. government's broadest, toughest and most influential round of investigative measures against China's semiconductor industry.
However, the U.S. Secretary of Commerce Raimondo on 22 December, but frankly said that efforts to limit China's access to technology has not hindered the country's progress, a total of 52.7 billion U.S. dollars of the Chip and Science Act on the U.S. semiconductor field of innovation is more important than the export control, ‘trying to curb China is a fool's errand (a fool's errand) ‘.
Section 301 empowers the U.S. Trade Representative to first determine whether China's practices are unreasonable or discriminatory and burden U.S. commerce. If it does, the next administration will impose retaliatory tariffs on China, restrict imports, or recommend that the president and Congress take other actions. The investigation will take several months, so it will be up to the Trump administration to make a decision.
Earlier this year, the White House had announced that it would raise the tariff rate on Chinese chips from the current 25 per cent to 50 per cent by 2025.
China opposes U.S. launch of 301 investigation into Chinese chips
China's Ministry of Commerce spokesman on the 23rd severely criticised the latest US investigation, pointing out that the US side for the sake of China's suppression and domestic political needs, the launch of a new 301 investigation into China's chip industry-related policies, will disrupt and distort the global chip industry chain supply chain, but also damage the interests of US enterprises and consumers, is a mistake again and again.
The spokesman said the U.S. provides huge subsidies for its own chip industry through the Chip and Science Act, and U.S. companies account for nearly half of the global chip market, but accuses the Chinese side of the so-called ‘non-market practices’ and renders the Chinese industry a threat, which is obviously self-contradictory and completely untenable. ‘China urges the United States side to respect the facts and multilateral rules and immediately stop its wrong practices.’
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