化工龙头ETF（516220）盘中涨超2%，连续4日迎资金净流入，化工行业景气回升，周期有望回暖

Core Viewpoint - The chemical industry is experiencing a recovery in prosperity, with expectations of a cyclical rebound, as indicated by the recent performance of the chemical leading ETF (516220) which saw a rise of over 2% and has recorded net inflows for four consecutive days [1] Industry Overview - The chemical industry is witnessing a slowdown in supply growth expectations, with a replenishment cycle already underway and a new round of supply-side reforms on the horizon [1] - Since 2025, the industry's profitability has bottomed out and is gradually stabilizing, with a slight year-on-year increase in net profit margin for the first three quarters [1] - Capital expansion within the industry is slowing down, with a year-on-year decrease in construction projects, suggesting that the peak of capacity investment may have passed, potentially alleviating future supply-side pressures [1] Sector Highlights - Specific sectors to watch include refrigerants, potash fertilizers, organic silicon, and phosphorus chemicals, all of which are showing signs of upward trends in prosperity [1] - The transition to quota systems for third-generation refrigerants is leading to a contraction in supply alongside stable demand growth, contributing to ongoing prosperity [1] - The potash fertilizer sector is experiencing a recovery in global demand against a backdrop of production cuts by major players [1] - The peak of organic silicon capacity investment has passed, and the industry is initiating self-regulatory actions, which may improve the supply-demand balance and profitability [1] - In the phosphorus chemical sector, high demand for phosphate rock and rapid development in energy storage are opening up growth opportunities for materials like iron phosphate [1] Growth Opportunities - The growth potential in new materials is noteworthy, particularly with the accelerated industrialization of solid-state batteries benefiting related materials, and strong downstream semiconductor demand driving the domestic replacement of photoresists [1]