石英股份：公司产品主要应用于半导体、光伏、光纤、光电等领域

Group 1 - The core viewpoint of the article is that Quartz Co., Ltd. is actively engaging with investors regarding its product applications and future business planning in the aerospace sector [2] - The company's products are primarily used in the semiconductor, photovoltaic, optical fiber, and optoelectronic fields [2] - Management will make comprehensive decisions on aerospace-related business planning based on market demand and overall strategic layout [2]