宏和科技：公司主要产品电子级玻璃纤维布是PCB的基础材料之一 主营业务未发生重大变化

Core Viewpoint - The company, Macro Technology (603256.SH), issued a risk warning announcement addressing media reports categorizing it as part of the "PCB concept" sector, clarifying that its main product, electronic-grade fiberglass cloth, is a fundamental material for PCBs, and that there have been no significant changes in its core business operations [1] Group 1 - The company has been focused on the research, production, and sales of its main products, with no major changes in its business operations [1] - The company conducted a self-inspection and found no media reports or market rumors that require clarification or response [1] - There are no significant events identified that could materially impact the company's stock trading price [1]