Jin Rong Jie·2025-11-21 07:42Industry Overview - Recent developments in the photolithography materials sector have been positively influenced by multiple factors, including government support and technological advancements [1] - The National Standardization Management Committee has announced the establishment of the first testing method for extreme ultraviolet (EUV) photoresist, which is expected to support industrialization [1] - The "02 Special Project" continues to invest over 50 billion yuan in key material research, including photoresists [1] - The global high-end ArF and EUV photoresist markets are dominated by foreign companies, with domestic ArF photoresist localization rate below 1% and EUV photoresist still absent, indicating significant replacement potential [1] Company Highlights Guofeng New Materials - The company has completed the trial run of a 38,000-ton high-end functional polypropylene film project, enhancing its technical research and manufacturing capabilities [2] - The acquisition of a 58.33% stake in Jinzhan Technology for 699 million yuan is under review, which will integrate the upstream functional film industry chain for new displays [2] - The stock has seen significant trading activity, with a three-day limit-up and a total turnover rate of 34.87% [2] KMT Gas - The company focuses on electronic specialty gases for photolithography, with its products certified by ASML's subsidiary Cymer, gaining recognition from major international equipment manufacturers [3] - Its photolithography gas products meet advanced industry standards in purity and stability, entering the supply chains of several major domestic wafer fabs [3] - Recent interest in the photolithography sector has led to a net inflow of funds into the company's stock [3] Gaomeng New Materials - The company holds a 3.6698% stake in Beijing Kehua Microelectronics, a key player in the domestic semiconductor photoresist market [4] - It is progressing with a project to produce 124,500 tons of adhesive annually, with some products already passing customer tests [4] - The company's diverse business across multiple sectors has increased market discussion and interest [4] Saiwei Electronics - The company specializes in MEMS core processes, holding key technologies such as silicon through-silicon vias and wafer bonding [5] - Its MEMS products have competitive advantages in precision manufacturing and stability, aligning with the photolithography supply chain needs [5] - The construction of 8-inch and 12-inch MEMS production lines in Beijing is ongoing, with capacity gradually being realized [5]