Soochow Securities·2025-09-30 06:03Investment Rating - The report maintains an "Overweight" rating for the electronic industry [1] Core Insights - The report highlights the competitive landscape of Switch chip manufacturers, with NVIDIA dominating the market through proprietary protocols, while Broadcom is gaining traction with its open-source SUE architecture [6][13] - It emphasizes the potential for domestic manufacturers to replace imported Switch chips, with companies like Shengke Communication leading the way in Ethernet chip production [35] - The report suggests investment in key players such as Haiguang Information and Shengke Communication, while also recommending attention to companies like ZTE and Lanke Technology [6][35] Summary by Sections 1. Switch Chip Manufacturers - NVIDIA's NVSwitch is noted as the highest bandwidth and most mature private solution in the Scale-Up segment [11] - Broadcom holds a 90% market share in cloud data center switches and has introduced the SUE architecture for open Ethernet interconnects [13] - Astera Labs is recognized for its complete product chain, being the only company that integrates switch chips, extension lines, and software management platforms [20] 2. Achieving Domestic Replacement of Switch Chips - Shengke Communication is identified as a leading domestic Ethernet switch chip manufacturer, with 12.8T and 25.6T chips entering customer promotion stages [35] - Other domestic players like Shudao Technology and Lanke Technology are making strides in the PCIe segment, with Shudao expected to achieve breakthroughs in domestic replacement by the end of 2025 [41] - Major manufacturers such as Haiguang, Huawei, and ZTE are also developing self-researched chips to support domestic replacement efforts [43][45][50] 3. Investment Recommendations - The report recommends focusing on Haiguang Information and Shengke Communication for investment opportunities, while suggesting to keep an eye on ZTE, Wantong Development, and Lanke Technology [6][35]