智通财经网·2026-03-19 08:05Core Viewpoint - Nvidia has raised its revenue guidance for the Blackwell and Rubin series chips at the GTC conference, extending the forecast to 2027, indicating a significant increase in AI demand visibility [1] Group 1: Nvidia's Revenue Guidance - Nvidia expects the Blackwell and Rubin series chips to generate $1 trillion in revenue by 2027, an increase from the previous guidance of $500 billion by the end of 2026 for data center equipment [1] - The revenue guidance extension to 2027 reflects a clear improvement in AI demand visibility [1] Group 2: LPX Architecture and Chip Production - The LPX architecture is set to begin shipping in the second half of 2026, featuring the Groq 3 LPX rack with 256 LPU processors, 128GB on-chip SRAM, and 640TB/s expansion bandwidth [2] - The combination of LPX with the Vera Rubin platform is expected to enhance inference throughput/power ratio by 35 times [2] - LPU chips will be manufactured by Samsung, with rack shipments anticipated to start in the latter half of this year [2] Group 3: Copper Foil Market Dynamics - The demand for high-frequency and high-speed copper foil is increasing due to severe signal attenuation, leading to higher performance requirements for copper-clad laminate materials [3] - Major players in the copper foil market, such as Mitsui and Taiwanese companies, are negotiating price increases for ultra-thin copper foil used in AI servers, with an average price increase of about 15% expected [3] - Domestic manufacturers are likely to follow suit with price increases, benefiting from the tight supply-demand situation in high-end electronic circuit copper foil [3] Group 4: Investment Recommendations - Recommended stocks include Defu Technology (301511.SZ), which is well-positioned to benefit from copper foil price increases; Cuprum Copper Foil (301217.SZ), with extensive experience in electronic circuit copper foil; and Jiyuan Technology (688388.SH), which collaborates with CATL and has acquired Endatong for optical modules [4] - Other notable mentions are Nord Shares (600110.SH), leading in lithium battery 4.5-micron products, and Zhongyi Technology (301150.SZ) [4]