Core Viewpoint - Yongxin Optical (603297.SH) experienced a significant stock price fluctuation, with a cumulative increase of over 20% in closing prices over three consecutive trading days from September 16 to September 18, 2025, which is classified as abnormal trading behavior according to Shanghai Stock Exchange regulations [1] Company Summary - The company conducted a self-examination and found no major media reports that could have significantly impacted its stock price [1] - Yongxin Optical's main business focuses on optical microscopes and optical components, with no substantial 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 and relatively dispersed fields [1] - The revenue contribution from optical components related to lithography machines is minimal, accounting for less than 1% of the company's total revenue, and is not considered 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]
永新光学(603297.SH):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