国际复材(301526.SZ)：生产的电子级玻璃纤维作为电子工业的重要基础材料，主要应用于印制电路板（PCB）

Core Viewpoint - The company, International Composite Materials (301526.SZ), emphasizes the significance of its electronic-grade glass fiber as a fundamental material in the electronics industry, particularly for printed circuit boards (PCBs) [1] Group 1: Product Features - The electronic-grade glass fiber produced by the company exhibits excellent electrical insulation properties, outstanding fire resistance, and remarkable aging resistance [1] - The company has independently developed low-dielectric glass fiber for 5G applications, which has been utilized in high-end mobile phones and key wave-transmitting products for 5G high-frequency communication [1]