菲利华(300395.SZ)：目前公司研发的超薄石英电子布产品正处于客户端小批量测试及终端客户的认证阶段

Core Viewpoint - The company has established stable partnerships with renowned global copper-clad laminate manufacturers since the development of quartz electronic cloth in 2017, and its ultra-thin quartz electronic cloth products are currently undergoing small batch testing and certification by end customers [1] Group 1 - The company has been developing quartz electronic cloth since 2017 [1] - The company has successfully opened up a number of high-quality global copper-clad laminate manufacturer clients [1] - The company has established stable cooperation with internationally recognized downstream enterprises [1] Group 2 - The ultra-thin quartz electronic cloth products are in the stage of small batch testing at client sites [1] - The products are also undergoing certification processes with end customers [1]