Core Viewpoint - Suzhou Jinyi New Materials Technology Co., Ltd. has resumed its IPO process after a year of inactivity, aiming to capitalize on the growing demand for advanced inorganic non-metallic powder materials in the electronics industry [1] Company Overview - The company specializes in electronic information functional materials and thermal conductive materials, aligning with the current trends of electronic packaging upgrades and increasing power density [2] - Its products have entered the supply chains of leading companies such as Henkel, Dow Chemical, and BYD, establishing strong technical barriers and order stickiness due to long certification cycles [4] Market Position - The company has secured stable supply relationships with major global manufacturers of rigid copper-clad laminates, covering the top twenty in the industry [4] - In the context of rapid advancements in AI server infrastructure, the demand for high-performance computing chips is driving a structural upgrade in the electronic materials system [4] Technological Advancements - The transition from traditional auxiliary materials to key foundational supports is evident, as functional powder materials are becoming critical in determining end-product performance [2][12] - The high-end copper-clad laminate materials are evolving from M7 and M8 grades to M9 grades, which are designed to support ultra-high-speed signal transmission and high-density PCB structures [10] Future Outlook - The next-generation Vera Rubin 200 platform is expected to begin shipping in Q4 of this year, with NVIDIA's GB300 AI server cabinet projected to reach a shipment volume of 55,000 units next year, representing a 129% year-on-year increase [10] - The competition in advanced electronic packaging and thermal management materials will focus on high-frequency transmission efficiency and energy dissipation control, with companies that achieve breakthroughs in foundational material science likely to gain a competitive edge in the upcoming industrial cycle [12]

Core Viewpoint - Suzhou Jinyi New Materials Technology Co., Ltd. is making a renewed attempt to go public after previously withdrawing its application, focusing on advanced inorganic non-metallic powder materials, which are increasingly critical in the electronics industry [2][3]. Group 1: Company Overview - The company specializes in electronic information functional materials and thermal conductive materials, aligning with the trends of electronic packaging upgrades and increasing power density in the industry [3]. - The company has entered the supply chains of leading enterprises in the thermal conductive materials sector, including Henkel, Dow Chemical, and BYD, establishing strong technical barriers and order stickiness [5]. - In the inorganic functional powder sector for copper-clad laminates, the company has secured stable supply relationships with major global manufacturers, covering the top twenty rigid copper-clad board manufacturers [5]. Group 2: Market Trends and Developments - The rapid development of AI servers and advanced packaging is driving demand for high-performance materials, with specific requirements for filler purity, particle size distribution, and overall thermal performance [3][5]. - The transition of high-end copper-clad board materials from M7/M8 to M9 levels is raising standards for dielectric constant, dielectric loss, thermal stability, and dimensional stability, particularly for supporting high-density PCB structures [10]. - NVIDIA's upcoming release of the Rubin architecture GPU and new chips is expected to enhance AI server computing density and data transmission rates, further emphasizing the importance of high-performance materials [5][10]. Group 3: Competitive Landscape - The competition in advanced electronic packaging and thermal management materials will revolve around high-frequency transmission efficiency and energy dissipation control, with companies that achieve breakthroughs in material science likely to gain a competitive edge [11]. - The supply chain for NVIDIA's M9 copper-clad boards involves multiple segments, including board manufacturing, resin systems, copper foil, and functional fillers, with domestic companies making technological advancements in certain areas [10].

Core Viewpoint - The concept of cultivated diamonds is experiencing a surge, with stocks like World reaching their daily limit and others like Guoji Precision Engineering rising over 6% due to increased demand in the AI server market impacting the PCB drilling tools sector [1] Group 1: Market Performance - Cultivated diamond stocks are on a four-day rising streak, with significant gains in companies such as World and Guoji Precision Engineering [1] - The overall strength in the superhard materials sector is attributed to the booming demand for AI servers, leading to a simultaneous increase in both volume and price for PCB drilling tools [1] Group 2: Industry Dynamics - The introduction of Nvidia's new product Rubin, which utilizes M9-grade copper-clad laminates, presents unprecedented processing challenges for the PCB industry [1] - M9-grade laminates incorporate quartz fabric, significantly increasing hardness compared to traditional glass fabric [1] - The number of layers in PCBs has increased from 16 to 24, resulting in a drastic reduction in the lifespan of traditional hard alloy drilling tools [1] Group 3: Technological Advancements - The lifespan of coated drilling tools on M9 materials is reported to be only 150-200 holes per tool, an 80% decrease compared to standard materials [1] - The rapid development of the computing power industry is driving breakthroughs in the functional applications of diamonds [1] - The escalating competition in artificial intelligence is leading to exponential growth in computing power demand, with chip cooling becoming a critical bottleneck for industry development [1]

Investment Rating - Maintain "Buy" rating for the electronic industry [1] Core Insights - Focus on investment opportunities in the M9 PCB supply chain and CPO industry chain, highlighting key players such as 菲利华, 东材科技, and 英伟达 [2] - The report emphasizes the technological evolution of SerDes, which drives the upgrade of interconnect media for computing power, indicating a shift towards M9 materials and optical packaging [4][9] - The Rubin Ultra cabinet is expected to significantly enhance the performance of M9 materials and NPO optical engines, marking a definitive growth trend [4][34] - The CPO switch market is poised for rapid expansion, with core suppliers likely to benefit from increased demand for optical components [4][46] Summary by Sections 1. SerDes Evolution and Interconnect Media Upgrade - Continuous upgrades in SerDes technology are driving the growth of GPU interconnect bandwidth, with Nvidia's architectures showing a clear trend of doubling speeds from 56Gbps to 224Gbps [9][19] - The transition to M9 materials is necessary to support the increasing demands of SerDes speeds, as traditional materials cannot handle the higher frequencies without significant losses [19][22] - The report outlines the need for advanced materials and manufacturing techniques to meet the requirements of next-generation SerDes, emphasizing the importance of low-loss substrates [24][25] 2. Rubin Ultra Scale-Up Architecture - The Rubin Ultra cabinet achieves a groundbreaking total bandwidth of 1.5PB/s, representing a 12-fold increase over previous models, facilitated by a dual-layer network structure [34][37] - The internal network utilizes orthogonal backplane technology to minimize signal loss and latency, crucial for high-density GPU communication [38][42] - The second layer of the network employs NPO technology for inter-Canister communication, significantly enhancing bandwidth and reducing power consumption [43][45] 3. CPO Switch Product Matrix - Nvidia's Quantum X800-Q3450 is the first CPO switch to market, featuring a total switching bandwidth of 115.2T, showcasing advancements in port density and performance [46][49] - The upcoming Spectrum-X series will further expand Nvidia's CPO offerings, providing a complete technology layout from InfiniBand to Ethernet [54][57] - The design of the Spectrum-X switches emphasizes maintainability and redundancy, addressing challenges associated with tightly integrated optical components [58]

Core Insights - Nvidia has confirmed the use of M9-grade copper-clad laminates (CCL) in its new product Rubin, indicating a significant market opportunity in the CCL and PCB production sectors [1] Industry Overview - The M9-grade CCL production involves upstream raw materials, which are critical for the manufacturing of high-performance PCBs [1] Company Summaries - **Ping An Electric**: Market cap of 2.385 billion; positive feedback on quartz fabric products for AI servers, focusing on low dielectric constant and loss characteristics [1] - **International Composites**: Market cap of 8.862 billion; specializes in high-frequency applications [1] - **Honghe Technology**: Market cap of 33.850 billion; engaged in the development of ultra-thin quartz electronic fabrics [1] - **Philihua**: Market cap of 42.808 billion; ultra-thin quartz electronic fabric is in testing phase, expected to be a growth driver [1] - **China National Materials**: Market cap of 54.237 billion; largest producer of electronic fabrics with a focus on low dielectric materials [1] - **China Jushi**: Market cap of 64.250 billion; annual production capacity of 1.3 billion meters, specializing in low-Dk and ultra-thin fabrics [1] High-End Copper Foil - **Longyang Electronics**: Market cap of 5.150 billion; involved in HVLP5 series ultra-low profile copper foil production [2] - **Nord Shares**: Market cap of 11.435 billion; products include RTF for AI servers and high-end electronic circuit copper foil [2] - **Defu Technology**: Market cap of 13.274 billion; focuses on high-end copper foil domestic substitution [2] - **Hengtong Holdings**: Market cap of 13.533 billion; has mass-produced RTF and low-profile copper foils [2] - **Copper Crown Foil**: Market cap of 26.611 billion; HVLP4 copper foil has completed customer testing, with mass production expected in 2026 [2] Resin Production - **Shiming Technology**: Market cap of 3.494 billion; produces electronic-grade hydrocarbon resin with a capacity of 500 tons/year [2] - **Dongcai Technology**: Market cap of 18.774 billion; M9 resin has leading dielectric loss indicators [2] - **Shengquan Group**: Market cap of 24.768 billion; expanding electronic-grade hydrocarbon resin capacity to support AI server performance [2]