Core Viewpoint - The company, Feilihua (300395), emphasizes the advantages of quartz electronic cloth as a preferred material for high-frequency and high-speed copper-clad laminates (CCL) due to its excellent dielectric loss and ultra-low expansion coefficient [1] Group 1: Product Development - The company has been developing quartz electronic cloth since 2017, which has led to the establishment of a solid customer base among high-quality global copper-clad laminate manufacturers [1] - The company has formed stable cooperative relationships with internationally renowned downstream enterprises [1]