Group 1 - The U.S. government has lifted certain export licensing requirements for chip design software to China, allowing companies like Siemens and Synopsys to resume sales and support for their products in the Chinese market [1][2] - Siemens confirmed that it has regained full access to export-controlled software and technology, specifically under ECCNs 3D991 and 3E991, and has resumed sales and technical support to Chinese customers [2][3] - The global EDA market reached $14.53 billion in 2023, which, while relatively small, plays a crucial role in supporting the trillion-dollar electronics industry [2][3] Group 2 - EDA tools are essential for reducing design complexity, minimizing errors, and improving the success rate of integrated circuit (IC) production, thus significantly impacting the efficiency and quality of the entire industry [3] - The majority of the EDA market is dominated by three major international players: Synopsys, Cadence, and Siemens EDA, which together hold nearly 80% market share, while domestic companies account for less than 2% [3][4] - Despite the dominance of international EDA firms, domestic EDA companies are making progress, with a growing number of high-quality local enterprises emerging in China [4][5] Group 3 - Domestic EDA firms like Huada Jiutian, Gai Lun Electronics, and Guangli Micro have seen slight declines in stock prices following the resumption of supply from international EDA companies [4] - Huada Jiutian offers a comprehensive simulation circuit design EDA tool system, while Gai Lun Electronics combines semiconductor device testing systems with EDA software for differentiated solutions [5] - Guangli Micro is one of the few companies capable of providing full-process coverage products and services in yield enhancement and electrical monitoring [5]