上大股份：公司研发的新材料产品，可用于半导体设备制造

Core Viewpoint - The company has developed new material products for semiconductor equipment manufacturing and is collaborating with a major domestic semiconductor equipment manufacturer for product validation, which is progressing smoothly [1]. Group 1 - The new material products are specifically designed for use in semiconductor equipment manufacturing [1]. - The company is currently engaged in a development collaboration with a significant domestic semiconductor equipment manufacturer [1]. - The product validation process is reported to be progressing smoothly [1].