永新光学：光刻机相关光学元组件业务占公司营收比重较小 目前不是公司的核心业务

Core Viewpoint - Yongxin Optical (603297.SH) experienced a significant stock price fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days, which is classified as abnormal trading behavior according to the Shanghai Stock Exchange rules [1] Company Summary - The company conducted a self-examination and found no significant media reports that could have impacted its stock price [1] - Yongxin Optical's main business focuses on optical microscopes and optical components, with no major changes in its business model [1] - The company's product business model is characterized by customization, a variety of products, and small batch production, with applications across diverse fields [1] - The revenue contribution from optical components related to lithography machines is minimal, accounting for less than 1% of total revenue, and is not a core business that would significantly affect current performance [1] - The company confirmed with its controlling shareholder and actual controller that there are no other undisclosed significant matters as of the date of this announcement [1]