半导体设备龙头长川科技全年净利预增172.67%～205.39%，存储封测正迎来量价齐升

Market Performance - The Shanghai Stock Exchange Sci-Tech Innovation Board semiconductor materials and equipment theme index decreased by 3.91% as of January 29, 2026 [1] - The component stocks showed mixed performance, with Olay New Materials leading with a 6.4% increase, while Jingyi Equipment fell by 8.42% [1] - The Sci-Tech Semiconductor ETF (588170) dropped by 3.86%, with a latest price of 1.82 yuan and a turnover rate of 10.8%, totaling a transaction volume of 890 million yuan [1] Company Announcements - Changchuan Technology announced an expected net profit attributable to shareholders of 1.25 billion to 1.4 billion yuan for 2025, representing a year-on-year growth of 172.67% to 205.39% [2] - The significant profit increase is driven by the sustained recovery in semiconductor industry demand and strong customer orders, leading to a substantial rise in sales revenue [2] Industry Insights - Aijian Securities noted that the storage chip packaging and testing industry is benefiting from the recovery in downstream demand, with the industry's prosperity being transmitted from the downstream demand side to the upstream packaging and testing segment [2] - The semiconductor equipment and materials industry is a crucial area for domestic substitution, characterized by low domestic substitution rates and high ceilings for domestic replacement, benefiting from the AI revolution and advancements in lithography technology [2]