Huan Qiu Lao Hu Cai Jing·2026-02-24 11:55Group 1 - The glass fiber concept in the A-share market experienced a strong surge, with the overall sector rising by 6.32% and a trading volume of 17.03 billion yuan, driven by multiple factors including supply, demand, and cost dynamics [1] - All 17 stocks in the sector saw gains, with International Composites hitting a 19.98% increase and closing at 15.19 yuan, marking a new historical high [1] - The structural explosion in demand, particularly from the AI sector, has become a core driver for the sector's rise, with AI servers requiring significantly more high-performance electronic cloth compared to regular servers [2] Group 2 - On the supply side, a shortage in the specialty glass fiber cloth market has led manufacturers to adjust their product structures, resulting in a supply gap for traditional electronic cloth [1][2] - The cost of core raw materials such as platinum and talc has risen since early 2025, forcing companies to increase prices to maintain profitability, with electronic cloth prices rising over 10% to reach 10,300–10,700 yuan per ton [2] - Market expectations suggest that due to rising costs and supply constraints, a second wave of price increases among glass fiber manufacturers is anticipated, with a significant supply-demand gap expected to persist throughout 2026 [3]