基础化工：新材料周报：Qnity签署CMP抛光垫长期供应协议，固态电池工信部最新表态-20251028

Investment Rating - The industry rating is "Outperform the Market" [6][57]. Core Insights - The semiconductor materials sector is experiencing rapid domestic production acceleration, with significant expansion in downstream wafer factories, indicating a maximization of industry benefits for leading companies [4][31]. - Qnity, a subsidiary of DuPont, has signed a long-term supply agreement for CMP polishing pads with SK Hynix, highlighting the ongoing demand for advanced semiconductor manufacturing materials [4][31]. - The Ministry of Industry and Information Technology of China emphasizes the importance of technological innovation and the development of new battery materials, including solid-state batteries, to enhance the resilience of the supply chain [32][33]. Market Overview - The Wind New Materials Index closed at 4984.69 points, up 2.81% week-on-week [3][12]. - The semiconductor materials index rose to 8042.12 points, reflecting a 3.11% increase, while the lithium battery index reached 2703.75 points, up 2.42% [3][12]. - The top five gainers in the market included Aolide (22.97%) and Anji Technology (10.33%), while the top five losers included Sdiq (-7.11%) and Xiangyuan New Materials (-4.21%) [27][28]. Recent Industry Highlights - Qnity's CMP polishing pads are designed to meet the stringent requirements of AI and advanced computing chips, showcasing the company's leadership in CMP technology [4][31]. - The Ministry of Industry and Information Technology's recommendations include enhancing R&D in lithium resource recovery and optimizing the development environment for the new energy battery industry [32][33]. - Toray has signed a memorandum with Refinverse to enhance the recycling of nylon 66 resin from airbag waste, indicating a focus on sustainable materials [36][37].