Tianfeng Securities·2025-11-10 07:15Industry Rating - The industry investment rating is maintained at "Outperform the Market" [1] Core Viewpoints - The domestic substitution of semiconductor resins is accelerating, with significant developments in both packaging and photoresist fields. The demand for specialty resin materials is continuously increasing due to the rapid advancement of advanced packaging and high-end lithography technologies [2][3] - The epoxy molding compound (EMC) has shown significant results in domestic production, with Jiangsu Huahai Chengke New Materials Co., Ltd. leading the market. The advanced packaging market in China is expected to reach 85.2 billion yuan by 2025, providing ample opportunities for EMC companies [2][12] - The domestic production of photoresist resin is still in its early stages, with a vast potential for substitution. The photoresist resin accounts for over 50% of the cost of photoresists, and the domestic market for semiconductor photoresists is projected to reach 15.03 billion yuan by 2028, with a compound annual growth rate of 18.5% [2][33] Summary by Sections Semiconductor Resin - Epoxy molding compound (EMC) is the mainstream material in semiconductor chip packaging, with Jiangsu Huahai Chengke emerging as a leader in the domestic market. The company has achieved significant breakthroughs in high-end markets, with products meeting international standards [2][16] - The upstream supply chain for EMC includes epoxy resin, high-performance phenolic resin, and silica powder, with silica powder accounting for over 60% of the cost [14] - The global advanced packaging market is expected to grow from $51.9 billion in 2024 to $78.6 billion by 2028, with China's advanced packaging market projected to grow at a compound annual growth rate of 18.7% [14] Photoresist Resin - The photoresist resin is a critical component in photoresists, with its quality directly affecting lithography precision. The domestic market for semiconductor photoresists is expected to grow significantly, driven by increasing demand from the electronics industry [25][30] - The market for KrF and ArF photoresists is projected to grow substantially, with domestic companies like Saint Quan Group and Tongcheng New Materials making significant progress in developing these technologies [37][38] - The global high-end semiconductor photoresist market is dominated by Japanese and American companies, with domestic firms gradually entering the market and achieving notable advancements in KrF and ArF technologies [34][35]