美国放开对中国EDA销售，已有卖方买方确认

Group 1 - The U.S. Department of Commerce has lifted export restrictions related to China, allowing companies like Synopsys to resume sales of previously restricted products in China [1][2] - Siemens has also received notification from the U.S. government that it can resume full access for Chinese customers to its chip design software (EDA) [1] - The domestic EDA market is currently dominated by international giants such as Synopsys, Cadence, and Siemens, while local companies have made some breakthroughs but have not yet formed a competitive landscape [1] Group 2 - A Shanghai semiconductor chip company confirmed it received notifications from overseas EDA firms about the lifting of sales restrictions, indicating prior preparations for this change [2] - The Chinese Ministry of Commerce has stated that it will approve export applications for controlled items that meet certain conditions, signaling a potential easing of restrictions [2]