According to "exclusive news" released by U.S. media on October 31, the U.S. government has expanded export restrictions on Chinese chips and imposed additional licensing requirements on chip products shipped to more than 40 countries to avoid resale to China.。China's big AI and cloud companies, including Alibaba, ByteDance and Baidu, have placed big orders for delivery next year, and AI giant Nvidia may be forced to cancel orders to export more than $5 billion in advanced chips to China next year, a person familiar with the matter said。