Group 1 - The article discusses the temporary lifting of the US EDA ban on China and emphasizes the need for domestic EDA ecosystems to achieve self-reliance [2] - It provides an overview of the EDA market in mainland China, including market size and competitive landscape [3][4] - The revenue status and composition of leading EDA companies such as Synopsys, Cadence, Siemens EDA, Huada Empyrean, GigaDevice, and GloFo are analyzed [3][4] Group 2 - The article includes a comparison of revenue scales and product offerings between domestic and international leading EDA firms [3][4] - It outlines the product layout of various EDA companies in mainland China [4]